Subtract 84/8 from 45/14
1st number: 3 3/14, 2nd number: 10 4/8
45/14 - 84/8 is -51/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
45/14 = 45 × 4/14 × 4 = 180/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
84/8 = 84 × 7/8 × 7 = 588/56 - Subtract the two like fractions:
180/56 - 588/56 = 180 - 588/56 = -408/56 - After reducing the fraction, the answer is -51/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-84/8 45/28-84/8 45/14-84/16 45/42-84/8 45/14-84/24 45/70-84/8 45/14-84/40 45/98-84/8 45/14-84/56