Subtract 50/20 from 54/35
1st number: 1 19/35, 2nd number: 2 10/20
54/35 - 50/20 is -67/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
54/35 = 54 × 4/35 × 4 = 216/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Subtract the two like fractions:
216/140 - 350/140 = 216 - 350/140 = -134/140 - After reducing the fraction, the answer is -67/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70-50/20 54/35-50/40 54/35-50/60