Subtract 15/9 from 49/84
1st number: 49/84, 2nd number: 1 6/9
49/84 - 15/9 is -13/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
49/84 = 49 × 3/84 × 3 = 147/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
15/9 = 15 × 28/9 × 28 = 420/252 - Subtract the two like fractions:
147/252 - 420/252 = 147 - 420/252 = -273/252 - After reducing the fraction, the answer is -13/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84-15/9 49/84-30/9 49/84-15/18 49/84-45/9 49/84-15/27 49/84-75/9 49/84-15/45 49/84-15/63