Subtract 9/28 from 42/60
42/60 - 9/28 is 53/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
9/28 = 9 × 15/28 × 15 = 135/420 - Subtract the two like fractions:
294/420 - 135/420 = 294 - 135/420 = 159/420 - After reducing the fraction, the answer is 53/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-9/28 42/60-18/28 42/60-9/56 42/60-27/28 42/60-9/84 42/60-45/28 42/60-63/28