Subtract 42/35 from 50/20
1st number: 2 10/20, 2nd number: 1 7/35
50/20 - 42/35 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
42/35 = 42 × 4/35 × 4 = 168/140 - Subtract the two like fractions:
350/140 - 168/140 = 350 - 168/140 = 182/140 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-84/35 50/40-42/35 50/20-42/70 50/60-42/35