Subtract 14/63 from 36/21
1st number: 1 15/21, 2nd number: 14/63
36/21 - 14/63 is 94/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
36/21 = 36 × 3/21 × 3 = 108/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
14/63 = 14 × 1/63 × 1 = 14/63 - Subtract the two like fractions:
108/63 - 14/63 = 108 - 14/63 = 94/63 - In mixed form: 131/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21-14/63 36/21-28/63 36/42-14/63 36/21-42/63 36/63-14/63 36/21-70/63 36/21-98/63