Subtract 60/42 from 21/2
1st number: 10 1/2, 2nd number: 1 18/42
21/2 - 60/42 is 127/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
21/2 = 21 × 21/2 × 21 = 441/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
60/42 = 60 × 1/42 × 1 = 60/42 - Subtract the two like fractions:
441/42 - 60/42 = 441 - 60/42 = 381/42 - After reducing the fraction, the answer is 127/14
- In mixed form: 91/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-60/42 21/4-60/42 21/2-60/84 63/2-60/42 21/6-60/42 21/10-60/42 21/14-60/42