Subtract 10/49 from 70/63
1st number: 1 7/63, 2nd number: 10/49
70/63 - 10/49 is 400/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
10/49 = 10 × 9/49 × 9 = 90/441 - Subtract the two like fractions:
490/441 - 90/441 = 490 - 90/441 = 400/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-20/49 70/63-10/98 70/63-30/49 70/63-50/49 70/63-70/49