Subtract 84/16 from 70/15
1st number: 4 10/15, 2nd number: 5 4/16
70/15 - 84/16 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
70/15 = 70 × 16/15 × 16 = 1120/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
84/16 = 84 × 15/16 × 15 = 1260/240 - Subtract the two like fractions:
1120/240 - 1260/240 = 1120 - 1260/240 = -140/240 - After reducing the fraction, the answer is -7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-84/16 70/15-84/32 70/45-84/16 70/15-84/48 70/75-84/16 70/15-84/80