Subtract 42/16 from 98/72
1st number: 1 26/72, 2nd number: 2 10/16
98/72 - 42/16 is -91/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
98/72 = 98 × 2/72 × 2 = 196/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Subtract the two like fractions:
196/144 - 378/144 = 196 - 378/144 = -182/144 - After reducing the fraction, the answer is -91/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/72-84/16 98/72-42/32 98/72-42/48 98/72-42/80