Subtract 90/63 from 40/5
1st number: 8 0/5, 2nd number: 1 27/63
40/5 - 90/63 is 46/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
40/5 = 40 × 63/5 × 63 = 2520/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Subtract the two like fractions:
2520/315 - 450/315 = 2520 - 450/315 = 2070/315 - After reducing the fraction, the answer is 46/7
- In mixed form: 64/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-90/63 40/10-90/63 40/15-90/63 40/25-90/63 40/35-90/63