Subtract 10/16 from 90/7
1st number: 12 6/7, 2nd number: 10/16
90/7 - 10/16 is 685/56.
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,
90/7 = 90 × 16/7 × 16 = 1440/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
10/16 = 10 × 7/16 × 7 = 70/112 - Subtract the two like fractions:
1440/112 - 70/112 = 1440 - 70/112 = 1370/112 - After reducing the fraction, the answer is 685/56
- In mixed form: 1213/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-20/16 90/14-10/16 90/7-10/32 90/7-30/16 90/21-10/16 90/7-10/48 90/7-50/16 90/35-10/16 90/7-10/80 90/7-70/16 90/49-10/16