Subtract 21/30 from 70/24
1st number: 2 22/24, 2nd number: 21/30
70/24 - 21/30 is 133/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 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 30 × 4 = 120,
21/30 = 21 × 4/30 × 4 = 84/120 - Subtract the two like fractions:
350/120 - 84/120 = 350 - 84/120 = 266/120 - After reducing the fraction, the answer is 133/60
- In mixed form: 213/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-42/30 70/48-21/30 70/24-21/60 70/24-63/30 70/72-21/30 70/24-21/90