Subtract 14/63 from 81/49
1st number: 1 32/49, 2nd number: 14/63
81/49 - 14/63 is 631/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
81/49 = 81 × 9/49 × 9 = 729/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
14/63 = 14 × 7/63 × 7 = 98/441 - Subtract the two like fractions:
729/441 - 98/441 = 729 - 98/441 = 631/441 - In mixed form: 1190/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/49-28/63 81/98-14/63 81/49-42/63 81/49-70/63 81/49-98/63