Subtract 15/60 from 42/10
1st number: 4 2/10, 2nd number: 15/60
42/10 - 15/60 is 79/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
42/10 = 42 × 6/10 × 6 = 252/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
15/60 = 15 × 1/60 × 1 = 15/60 - Subtract the two like fractions:
252/60 - 15/60 = 252 - 15/60 = 237/60 - After reducing the fraction, the answer is 79/20
- In mixed form: 319/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-15/60 42/10-30/60 42/20-15/60 42/10-45/60 42/30-15/60 42/10-75/60 42/50-15/60 42/70-15/60