Subtract 28/16 from 70/7
1st number: 10 0/7, 2nd number: 1 12/16
70/7 - 28/16 is 33/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
70/7 = 70 × 16/7 × 16 = 1120/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
28/16 = 28 × 7/16 × 7 = 196/112 - Subtract the two like fractions:
1120/112 - 196/112 = 1120 - 196/112 = 924/112 - After reducing the fraction, the answer is 33/4
- In mixed form: 81/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-56/16 70/14-28/16 70/7-28/32 70/7-84/16 70/21-28/16 70/7-28/48 70/35-28/16 70/7-28/80 70/49-28/16