Subtract 90/49 from 72/8
1st number: 9 0/8, 2nd number: 1 41/49
72/8 - 90/49 is 351/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
72/8 = 72 × 49/8 × 49 = 3528/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
90/49 = 90 × 8/49 × 8 = 720/392 - Subtract the two like fractions:
3528/392 - 720/392 = 3528 - 720/392 = 2808/392 - After reducing the fraction, the answer is 351/49
- In mixed form: 78/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/16-90/49 72/8-90/98 72/24-90/49 72/40-90/49 72/56-90/49