Subtract 16/42 from 60/30
1st number: 2 0/30, 2nd number: 16/42
60/30 - 16/42 is 34/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
420/210 - 80/210 = 420 - 80/210 = 340/210 - After reducing the fraction, the answer is 34/21
- In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30-32/42 60/30-16/84 60/30-48/42 60/90-16/42 60/30-80/42