Subtract 16/27 from 42/15
1st number: 2 12/15, 2nd number: 16/27
42/15 - 16/27 is 298/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
42/15 = 42 × 9/15 × 9 = 378/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
16/27 = 16 × 5/27 × 5 = 80/135 - Subtract the two like fractions:
378/135 - 80/135 = 378 - 80/135 = 298/135 - In mixed form: 228/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-16/27 42/15-32/27 42/30-16/27 42/15-16/54 42/15-48/27 42/45-16/27 42/15-16/81 42/15-80/27 42/75-16/27