Subtract 10/9 from 2/84
1st number: 2/84, 2nd number: 1 1/9
2/84 - 10/9 is -137/126.
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,
2/84 = 2 × 3/84 × 3 = 6/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
10/9 = 10 × 28/9 × 28 = 280/252 - Subtract the two like fractions:
6/252 - 280/252 = 6 - 280/252 = -274/252 - After reducing the fraction, the answer is -137/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-10/9 2/84-20/9 2/84-10/18 6/84-10/9 2/84-30/9 2/84-10/27 10/84-10/9 2/84-50/9 2/84-10/45 14/84-10/9 2/84-70/9 2/84-10/63