Subtract 90/63 from 12/2
1st number: 6 0/2, 2nd number: 1 27/63
12/2 - 90/63 is 32/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
12/2 = 12 × 63/2 × 63 = 756/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126 - Subtract the two like fractions:
756/126 - 180/126 = 756 - 180/126 = 576/126 - After reducing the fraction, the answer is 32/7
- In mixed form: 44/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2-90/63 12/4-90/63 36/2-90/63 12/6-90/63 60/2-90/63 12/10-90/63 84/2-90/63 12/14-90/63