Subtract 30/14 from 90/8
1st number: 11 2/8, 2nd number: 2 2/14
90/8 - 30/14 is 255/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
90/8 = 90 × 7/8 × 7 = 630/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
30/14 = 30 × 4/14 × 4 = 120/56 - Subtract the two like fractions:
630/56 - 120/56 = 630 - 120/56 = 510/56 - After reducing the fraction, the answer is 255/28
- In mixed form: 93/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-60/14 90/16-30/14 90/8-30/28 90/8-90/14 90/24-30/14 90/8-30/42 90/40-30/14 90/8-30/70 90/56-30/14 90/8-30/98