Subtract 42/80 from 60/4
1st number: 15 0/4, 2nd number: 42/80
60/4 - 42/80 is 579/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
60/4 = 60 × 20/4 × 20 = 1200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Subtract the two like fractions:
1200/80 - 42/80 = 1200 - 42/80 = 1158/80 - After reducing the fraction, the answer is 579/40
- In mixed form: 1419/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-84/80 60/8-42/80 60/12-42/80 60/20-42/80 60/28-42/80