Subtract 42/36 from 30/16
1st number: 1 14/16, 2nd number: 1 6/36
30/16 - 42/36 is 17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
42/36 = 42 × 4/36 × 4 = 168/144 - Subtract the two like fractions:
270/144 - 168/144 = 270 - 168/144 = 102/144 - After reducing the fraction, the answer is 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16-42/36 30/16-84/36 30/32-42/36 30/16-42/72 90/16-42/36 30/48-42/36 30/80-42/36