Subtract 20/9 from 10/84
1st number: 10/84, 2nd number: 2 2/9
10/84 - 20/9 is -265/126.
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,
10/84 = 10 × 3/84 × 3 = 30/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
20/9 = 20 × 28/9 × 28 = 560/252 - Subtract the two like fractions:
30/252 - 560/252 = 30 - 560/252 = -530/252 - After reducing the fraction, the answer is -265/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84-20/9 10/84-40/9 10/84-20/18 30/84-20/9 10/84-60/9 10/84-20/27 50/84-20/9 10/84-20/45 70/84-20/9 10/84-20/63