Subtract 24/20 from 5/70
1st number: 5/70, 2nd number: 1 4/20
5/70 - 24/20 is -79/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
24/20 = 24 × 7/20 × 7 = 168/140 - Subtract the two like fractions:
10/140 - 168/140 = 10 - 168/140 = -158/140 - After reducing the fraction, the answer is -79/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-24/20 5/70-48/20 5/70-24/40 15/70-24/20 5/70-72/20 5/70-24/60 25/70-24/20 35/70-24/20