Subtract 70/56 from 30/15
1st number: 2 0/15, 2nd number: 1 14/56
30/15 - 70/56 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
30/15 = 30 × 56/15 × 56 = 1680/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
70/56 = 70 × 15/56 × 15 = 1050/840 - Subtract the two like fractions:
1680/840 - 1050/840 = 1680 - 1050/840 = 630/840 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-70/56 90/15-70/56 30/45-70/56 30/75-70/56