Subtract 70/42 from 10/16
1st number: 10/16, 2nd number: 1 28/42
10/16 - 70/42 is -25/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
70/42 = 70 × 8/42 × 8 = 560/336 - Subtract the two like fractions:
210/336 - 560/336 = 210 - 560/336 = -350/336 - After reducing the fraction, the answer is -25/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16-70/42 10/32-70/42 10/16-70/84 30/16-70/42 10/48-70/42 50/16-70/42 10/80-70/42 70/16-70/42