Subtract 27/28 from 70/18
1st number: 3 16/18, 2nd number: 27/28
70/18 - 27/28 is 737/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
70/18 = 70 × 14/18 × 14 = 980/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
27/28 = 27 × 9/28 × 9 = 243/252 - Subtract the two like fractions:
980/252 - 243/252 = 980 - 243/252 = 737/252 - In mixed form: 2233/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-54/28 70/36-27/28 70/18-27/56 70/18-81/28 70/54-27/28 70/18-27/84 70/90-27/28