Subtract 60/42 from 80/5
1st number: 16 0/5, 2nd number: 1 18/42
80/5 - 60/42 is 102/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
60/42 = 60 × 5/42 × 5 = 300/210 - Subtract the two like fractions:
3360/210 - 300/210 = 3360 - 300/210 = 3060/210 - After reducing the fraction, the answer is 102/7
- In mixed form: 144/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-60/42 80/5-60/84 80/15-60/42 80/25-60/42 80/35-60/42