Subtract 70/16 from 98/21
1st number: 4 14/21, 2nd number: 4 6/16
98/21 - 70/16 is 7/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
98/21 = 98 × 16/21 × 16 = 1568/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
70/16 = 70 × 21/16 × 21 = 1470/336 - Subtract the two like fractions:
1568/336 - 1470/336 = 1568 - 1470/336 = 98/336 - After reducing the fraction, the answer is 7/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42-70/16 98/21-70/32 98/63-70/16 98/21-70/48 98/21-70/80