Subtract 27/70 from 50/20
1st number: 2 10/20, 2nd number: 27/70
50/20 - 27/70 is 74/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 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 70 × 2 = 140,
27/70 = 27 × 2/70 × 2 = 54/140 - Subtract the two like fractions:
350/140 - 54/140 = 350 - 54/140 = 296/140 - After reducing the fraction, the answer is 74/35
- In mixed form: 24/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-54/70 50/40-27/70 50/20-81/70 50/60-27/70