Subtract 56/21 from 60/70
1st number: 60/70, 2nd number: 2 14/21
60/70 - 56/21 is -38/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
60/70 = 60 × 3/70 × 3 = 180/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210 - Subtract the two like fractions:
180/210 - 560/210 = 180 - 560/210 = -380/210 - After reducing the fraction, the answer is -38/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-56/42 60/70-56/63