Subtract 7/60 from 42/54
42/54 - 7/60 is 119/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
42/54 = 42 × 10/54 × 10 = 420/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
7/60 = 7 × 9/60 × 9 = 63/540 - Subtract the two like fractions:
420/540 - 63/540 = 420 - 63/540 = 357/540 - After reducing the fraction, the answer is 119/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54-7/60 42/54-14/60 42/54-21/60 42/54-35/60 42/54-49/60