Subtract 98/9 from 42/16
1st number: 2 10/16, 2nd number: 10 8/9
42/16 - 98/9 is -595/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
98/9 = 98 × 16/9 × 16 = 1568/144 - Subtract the two like fractions:
378/144 - 1568/144 = 378 - 1568/144 = -1190/144 - After reducing the fraction, the answer is -595/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-98/9 42/32-98/9 42/16-98/18 42/48-98/9 42/16-98/27 42/80-98/9 42/16-98/45 42/16-98/63