Subtract 6/63 from 90/49
1st number: 1 41/49, 2nd number: 6/63
90/49 - 6/63 is 256/147.
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,
90/49 = 90 × 9/49 × 9 = 810/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
6/63 = 6 × 7/63 × 7 = 42/441 - Subtract the two like fractions:
810/441 - 42/441 = 810 - 42/441 = 768/441 - After reducing the fraction, the answer is 256/147
- In mixed form: 1109/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49-12/63 90/98-6/63 90/49-18/63 90/49-30/63 90/49-42/63