Subtract 30/56 from 7/5
1st number: 1 2/5, 2nd number: 30/56
7/5 - 30/56 is 121/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
7/5 = 7 × 56/5 × 56 = 392/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
30/56 = 30 × 5/56 × 5 = 150/280 - Subtract the two like fractions:
392/280 - 150/280 = 392 - 150/280 = 242/280 - After reducing the fraction, the answer is 121/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-30/56 7/5-60/56 7/10-30/56 21/5-30/56 7/5-90/56 7/15-30/56 35/5-30/56 7/25-30/56 49/5-30/56 7/35-30/56