Subtract 30/16 from 60/42
1st number: 1 18/42, 2nd number: 1 14/16
60/42 - 30/16 is -25/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
60/42 = 60 × 8/42 × 8 = 480/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
30/16 = 30 × 21/16 × 21 = 630/336 - Subtract the two like fractions:
480/336 - 630/336 = 480 - 630/336 = -150/336 - After reducing the fraction, the answer is -25/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-60/16 60/84-30/16 60/42-30/32 60/42-90/16 60/42-30/48 60/42-30/80