Subtract 49/20 from 3/63
1st number: 3/63, 2nd number: 2 9/20
3/63 - 49/20 is -1009/420.
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,
3/63 = 3 × 20/63 × 20 = 60/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
49/20 = 49 × 63/20 × 63 = 3087/1260 - Subtract the two like fractions:
60/1260 - 3087/1260 = 60 - 3087/1260 = -3027/1260 - After reducing the fraction, the answer is -1009/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63-49/20 3/63-98/20 3/63-49/40 9/63-49/20 3/63-49/60 15/63-49/20 21/63-49/20