Subtract 98/48 from 40/42
1st number: 40/42, 2nd number: 2 2/48
40/42 - 98/48 is -61/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
40/42 = 40 × 8/42 × 8 = 320/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
98/48 = 98 × 7/48 × 7 = 686/336 - Subtract the two like fractions:
320/336 - 686/336 = 320 - 686/336 = -366/336 - After reducing the fraction, the answer is -61/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42-98/48 40/84-98/48 40/42-98/96