Subtract 4/56 from 70/18
1st number: 3 16/18, 2nd number: 4/56
70/18 - 4/56 is 481/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
70/18 = 70 × 28/18 × 28 = 1960/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
4/56 = 4 × 9/56 × 9 = 36/504 - Subtract the two like fractions:
1960/504 - 36/504 = 1960 - 36/504 = 1924/504 - After reducing the fraction, the answer is 481/126
- In mixed form: 3103/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-8/56 70/36-4/56 70/18-12/56 70/54-4/56 70/18-20/56 70/90-4/56 70/18-28/56