Subtract 15/18 from 70/84
70/84 - 15/18 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
70/84 = 70 × 3/84 × 3 = 210/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
15/18 = 15 × 14/18 × 14 = 210/252 - Subtract the two like fractions:
210/252 - 210/252 = 210 - 210/252 = 0/252 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-30/18 70/84-15/36 70/84-45/18 70/84-15/54 70/84-75/18 70/84-15/90