Subtract 20/60 from 42/4
1st number: 10 2/4, 2nd number: 20/60
42/4 - 20/60 is 61/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
20/60 = 20 × 1/60 × 1 = 20/60 - Subtract the two like fractions:
630/60 - 20/60 = 630 - 20/60 = 610/60 - After reducing the fraction, the answer is 61/6
- In mixed form: 101/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-20/60 42/4-40/60 42/8-20/60 42/12-20/60 42/20-20/60 42/28-20/60