Subtract 80/49 from 90/5
1st number: 18 0/5, 2nd number: 1 31/49
90/5 - 80/49 is 802/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
90/5 = 90 × 49/5 × 49 = 4410/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
80/49 = 80 × 5/49 × 5 = 400/245 - Subtract the two like fractions:
4410/245 - 400/245 = 4410 - 400/245 = 4010/245 - After reducing the fraction, the answer is 802/49
- In mixed form: 1618/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-80/49 90/5-80/98 90/15-80/49 90/25-80/49 90/35-80/49