Subtract 5/70 from 18/24
18/24 - 5/70 is 19/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
18/24 = 18 × 35/24 × 35 = 630/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
5/70 = 5 × 12/70 × 12 = 60/840 - Subtract the two like fractions:
630/840 - 60/840 = 630 - 60/840 = 570/840 - After reducing the fraction, the answer is 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24-5/70 18/24-10/70 18/48-5/70 54/24-5/70 18/24-15/70 18/72-5/70 90/24-5/70 18/24-25/70 18/24-35/70