Fractions

Fractions

1. Addition

   • (x7) 1/4 + 1/7 (x4)
     • =7/28 + 4/28 =11/28

2. Subtraction

   • (x8) 1/3 - 1/8 (x3)
     • = 8/24 - 3/24 = 5/24

3. Multiplication

   • 5/8 x 3/4 = 15/32

4. Division

   • 5/7 divide 1/3
     • flip the second fraction around and it
       • becomes the same process as multiplying
         • = 5/7 x 3/1
           • = 15/7=2 1/7

5. adding and subtracting whole numbers and fractions

   • adding
     • 2 1/3 + 3 4/5= 7/3 +19/5
       • (x5) 7/3 + 19/5 (x3)
         • = 35/15 + 57/15=92/15=6 2/15
   • Subtraction
     • 2 3/5 - 1 7/8
       • = 13/5 - 15/8
         • continues as same process as addition