Subtract 16/80 from 60/42
1st number: 1 18/42, 2nd number: 16/80
60/42 - 16/80 is 43/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
60/42 = 60 × 40/42 × 40 = 2400/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
16/80 = 16 × 21/80 × 21 = 336/1680 - Subtract the two like fractions:
2400/1680 - 336/1680 = 2400 - 336/1680 = 2064/1680 - After reducing the fraction, the answer is 43/35
- In mixed form: 18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-32/80 60/84-16/80 60/42-48/80