Subtract 10/9 from 42/16
1st number: 2 10/16, 2nd number: 1 1/9
42/16 - 10/9 is 109/72.
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,
10/9 = 10 × 16/9 × 16 = 160/144 - Subtract the two like fractions:
378/144 - 160/144 = 378 - 160/144 = 218/144 - After reducing the fraction, the answer is 109/72
- In mixed form: 137/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-10/9 42/16-20/9 42/32-10/9 42/16-10/18 42/16-30/9 42/48-10/9 42/16-10/27 42/16-50/9 42/80-10/9 42/16-10/45 42/16-70/9 42/16-10/63