Subtract 98/80 from 96/42
1st number: 2 12/42, 2nd number: 1 18/80
96/42 - 98/80 is 297/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
96/42 = 96 × 40/42 × 40 = 3840/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
98/80 = 98 × 21/80 × 21 = 2058/1680 - Subtract the two like fractions:
3840/1680 - 2058/1680 = 3840 - 2058/1680 = 1782/1680 - After reducing the fraction, the answer is 297/280
- In mixed form: 117/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84-98/80