Subtract 45/56 from 70/4
1st number: 17 2/4, 2nd number: 45/56
70/4 - 45/56 is 935/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
70/4 = 70 × 14/4 × 14 = 980/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Subtract the two like fractions:
980/56 - 45/56 = 980 - 45/56 = 935/56 - In mixed form: 1639/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-90/56 70/8-45/56 70/12-45/56 70/20-45/56 70/28-45/56