Subtract 18/56 from 24/70
24/70 - 18/56 is 3/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
24/70 = 24 × 4/70 × 4 = 96/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Subtract the two like fractions:
96/280 - 90/280 = 96 - 90/280 = 6/280 - After reducing the fraction, the answer is 3/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/70-18/56 24/70-36/56 72/70-18/56 24/70-54/56 24/70-90/56