Subtract 16/30 from 50/42
1st number: 1 8/42, 2nd number: 16/30
50/42 - 16/30 is 23/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
50/42 = 50 × 5/42 × 5 = 250/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
16/30 = 16 × 7/30 × 7 = 112/210 - Subtract the two like fractions:
250/210 - 112/210 = 250 - 112/210 = 138/210 - After reducing the fraction, the answer is 23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-32/30 50/84-16/30 50/42-16/60 50/42-48/30 50/42-16/90 50/42-80/30