Subtract 42/16 from 90/14
1st number: 6 6/14, 2nd number: 2 10/16
90/14 - 42/16 is 213/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
90/14 = 90 × 8/14 × 8 = 720/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
42/16 = 42 × 7/16 × 7 = 294/112 - Subtract the two like fractions:
720/112 - 294/112 = 720 - 294/112 = 426/112 - After reducing the fraction, the answer is 213/56
- In mixed form: 345/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-84/16 90/28-42/16 90/14-42/32 90/42-42/16 90/14-42/48 90/70-42/16 90/14-42/80 90/98-42/16