Subtract 56/80 from 98/21
1st number: 4 14/21, 2nd number: 56/80
98/21 - 56/80 is 119/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 21 × 80 = 1680,
98/21 = 98 × 80/21 × 80 = 7840/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
56/80 = 56 × 21/80 × 21 = 1176/1680 - Subtract the two like fractions:
7840/1680 - 1176/1680 = 7840 - 1176/1680 = 6664/1680 - After reducing the fraction, the answer is 119/30
- In mixed form: 329/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42-56/80 98/63-56/80