Subtract 9/20 from 70/63
1st number: 1 7/63, 2nd number: 9/20
70/63 - 9/20 is 119/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
70/63 = 70 × 20/63 × 20 = 1400/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
9/20 = 9 × 63/20 × 63 = 567/1260 - Subtract the two like fractions:
1400/1260 - 567/1260 = 1400 - 567/1260 = 833/1260 - After reducing the fraction, the answer is 119/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-18/20 70/63-9/40 70/63-27/20 70/63-9/60 70/63-45/20 70/63-63/20