Subtract 16/9 from 42/4
1st number: 10 2/4, 2nd number: 1 7/9
42/4 - 16/9 is 157/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
16/9 = 16 × 4/9 × 4 = 64/36 - Subtract the two like fractions:
378/36 - 64/36 = 378 - 64/36 = 314/36 - After reducing the fraction, the answer is 157/18
- In mixed form: 813/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-16/9 42/4-32/9 42/8-16/9 42/4-16/18 42/4-48/9 42/12-16/9 42/4-16/27 42/4-80/9 42/20-16/9 42/4-16/45 42/28-16/9 42/4-16/63