Subtract 14/30 from 90/7
1st number: 12 6/7, 2nd number: 14/30
90/7 - 14/30 is 1301/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
90/7 = 90 × 30/7 × 30 = 2700/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Subtract the two like fractions:
2700/210 - 98/210 = 2700 - 98/210 = 2602/210 - After reducing the fraction, the answer is 1301/105
- In mixed form: 1241/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-28/30 90/14-14/30 90/7-14/60 90/7-42/30 90/21-14/30 90/7-14/90 90/7-70/30 90/35-14/30 90/7-98/30 90/49-14/30