Subtract 7/20 from 49/63
49/63 - 7/20 is 77/180.
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,
49/63 = 49 × 20/63 × 20 = 980/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
7/20 = 7 × 63/20 × 63 = 441/1260 - Subtract the two like fractions:
980/1260 - 441/1260 = 980 - 441/1260 = 539/1260 - After reducing the fraction, the answer is 77/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63-7/20 49/63-14/20 49/63-7/40 49/63-21/20 49/63-7/60 49/63-35/20 49/63-49/20