Subtract 1/56 from 70/40
1st number: 1 30/40, 2nd number: 1/56
70/40 - 1/56 is 97/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
1/56 = 1 × 5/56 × 5 = 5/280 - Subtract the two like fractions:
490/280 - 5/280 = 490 - 5/280 = 485/280 - After reducing the fraction, the answer is 97/56
- In mixed form: 141/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-2/56 70/80-1/56 70/40-3/56 70/40-5/56 70/40-7/56