Subtract 70/16 from 10/15
1st number: 10/15, 2nd number: 4 6/16
10/15 - 70/16 is -89/24.
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,
10/15 = 10 × 16/15 × 16 = 160/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
70/16 = 70 × 15/16 × 15 = 1050/240 - Subtract the two like fractions:
160/240 - 1050/240 = 160 - 1050/240 = -890/240 - After reducing the fraction, the answer is -89/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15-70/16 10/30-70/16 10/15-70/32 30/15-70/16 10/45-70/16 10/15-70/48 50/15-70/16 10/75-70/16 10/15-70/80 70/15-70/16