Subtract 2/9 from 84/7
1st number: 12 0/7, 2nd number: 2/9
84/7 - 2/9 is 106/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
84/7 = 84 × 9/7 × 9 = 756/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
2/9 = 2 × 7/9 × 7 = 14/63 - Subtract the two like fractions:
756/63 - 14/63 = 756 - 14/63 = 742/63 - After reducing the fraction, the answer is 106/9
- In mixed form: 117/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-4/9 84/14-2/9 84/7-2/18 84/7-6/9 84/21-2/9 84/7-2/27 84/7-10/9 84/35-2/9 84/7-2/45 84/7-14/9 84/49-2/9 84/7-2/63