Subtract 1/24 from 70/18
1st number: 3 16/18, 2nd number: 1/24
70/18 - 1/24 is 277/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
70/18 = 70 × 4/18 × 4 = 280/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
1/24 = 1 × 3/24 × 3 = 3/72 - Subtract the two like fractions:
280/72 - 3/72 = 280 - 3/72 = 277/72 - In mixed form: 361/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-2/24 70/36-1/24 70/18-1/48 70/18-3/24 70/54-1/24 70/18-1/72 70/18-5/24 70/90-1/24 70/18-7/24