Subtract 70/18 from 98/8
1st number: 12 2/8, 2nd number: 3 16/18
98/8 - 70/18 is 301/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
98/8 = 98 × 9/8 × 9 = 882/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
70/18 = 70 × 4/18 × 4 = 280/72 - Subtract the two like fractions:
882/72 - 280/72 = 882 - 280/72 = 602/72 - After reducing the fraction, the answer is 301/36
- In mixed form: 813/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/16-70/18 98/8-70/36 98/24-70/18 98/8-70/54 98/40-70/18 98/8-70/90 98/56-70/18