Subtract 28/63 from 70/60
1st number: 1 10/60, 2nd number: 28/63
70/60 - 28/63 is 13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
70/60 = 70 × 21/60 × 21 = 1470/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
28/63 = 28 × 20/63 × 20 = 560/1260 - Subtract the two like fractions:
1470/1260 - 560/1260 = 1470 - 560/1260 = 910/1260 - After reducing the fraction, the answer is 13/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60-56/63 70/60-84/63