Subtract 10/7 from 84/45
1st number: 1 39/45, 2nd number: 1 3/7
84/45 - 10/7 is 46/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
10/7 = 10 × 45/7 × 45 = 450/315 - Subtract the two like fractions:
588/315 - 450/315 = 588 - 450/315 = 138/315 - After reducing the fraction, the answer is 46/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45-20/7 84/90-10/7 84/45-10/14 84/45-30/7 84/45-10/21 84/45-50/7 84/45-10/35 84/45-70/7 84/45-10/49