Subtract 30/63 from 49/60
49/60 - 30/63 is 143/420.
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,
49/60 = 49 × 21/60 × 21 = 1029/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
30/63 = 30 × 20/63 × 20 = 600/1260 - Subtract the two like fractions:
1029/1260 - 600/1260 = 1029 - 600/1260 = 429/1260 - After reducing the fraction, the answer is 143/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/60-30/63 49/60-60/63 49/60-90/63