Subtract 90/49 from 80/8
1st number: 10 0/8, 2nd number: 1 41/49
80/8 - 90/49 is 400/49.
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,
80/8 = 80 × 49/8 × 49 = 3920/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
90/49 = 90 × 8/49 × 8 = 720/392 - Subtract the two like fractions:
3920/392 - 720/392 = 3920 - 720/392 = 3200/392 - After reducing the fraction, the answer is 400/49
- In mixed form: 88/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16-90/49 80/8-90/98 80/24-90/49 80/40-90/49 80/56-90/49