Subtract 40/24 from 70/30
1st number: 2 10/30, 2nd number: 1 16/24
70/30 - 40/24 is 2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
40/24 = 40 × 5/24 × 5 = 200/120 - Subtract the two like fractions:
280/120 - 200/120 = 280 - 200/120 = 80/120 - After reducing the fraction, the answer is 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-80/24 70/60-40/24 70/30-40/48 70/90-40/24 70/30-40/72