Subtract 16/30 from 42/27
1st number: 1 15/27, 2nd number: 16/30
42/27 - 16/30 is 46/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
16/30 = 16 × 9/30 × 9 = 144/270 - Subtract the two like fractions:
420/270 - 144/270 = 420 - 144/270 = 276/270 - After reducing the fraction, the answer is 46/45
- In mixed form: 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27-16/30 42/27-32/30 42/54-16/30 42/27-16/60 42/27-48/30 42/81-16/30 42/27-16/90 42/27-80/30