Subtract 7/20 from 70/24
1st number: 2 22/24, 2nd number: 7/20
70/24 - 7/20 is 77/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
70/24 = 70 × 5/24 × 5 = 350/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
7/20 = 7 × 6/20 × 6 = 42/120 - Subtract the two like fractions:
350/120 - 42/120 = 350 - 42/120 = 308/120 - After reducing the fraction, the answer is 77/30
- In mixed form: 217/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-14/20 70/48-7/20 70/24-7/40 70/24-21/20 70/72-7/20 70/24-7/60 70/24-35/20 70/24-49/20