Subtract 18/16 from 90/14
1st number: 6 6/14, 2nd number: 1 2/16
90/14 - 18/16 is 297/56.
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,
18/16 = 18 × 7/16 × 7 = 126/112 - Subtract the two like fractions:
720/112 - 126/112 = 720 - 126/112 = 594/112 - After reducing the fraction, the answer is 297/56
- In mixed form: 517/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-36/16 90/28-18/16 90/14-18/32 90/14-54/16 90/42-18/16 90/14-18/48 90/14-90/16 90/70-18/16 90/14-18/80 90/98-18/16