Subtract 70/20 from 5/40
1st number: 5/40, 2nd number: 3 10/20
5/40 - 70/20 is -27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
70/20 = 70 × 2/20 × 2 = 140/40 - Subtract the two like fractions:
5/40 - 140/40 = 5 - 140/40 = -135/40 - After reducing the fraction, the answer is -27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-70/20 5/80-70/20 5/40-70/40 15/40-70/20 5/40-70/60 25/40-70/20 35/40-70/20