Subtract 36/63 from 12/7
1st number: 1 5/7, 2nd number: 36/63
12/7 - 36/63 is 8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
12/7 = 12 × 9/7 × 9 = 108/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
36/63 = 36 × 1/63 × 1 = 36/63 - Subtract the two like fractions:
108/63 - 36/63 = 108 - 36/63 = 72/63 - After reducing the fraction, the answer is 8/7
- In mixed form: 11/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/7-36/63 12/7-72/63 12/14-36/63 36/7-36/63 12/21-36/63 60/7-36/63 12/35-36/63 84/7-36/63 12/49-36/63