Subtract 40/30 from 98/8
1st number: 12 2/8, 2nd number: 1 10/30
98/8 - 40/30 is 131/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
98/8 = 98 × 15/8 × 15 = 1470/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
40/30 = 40 × 4/30 × 4 = 160/120 - Subtract the two like fractions:
1470/120 - 160/120 = 1470 - 160/120 = 1310/120 - After reducing the fraction, the answer is 131/12
- In mixed form: 1011/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-80/30 98/16-40/30 98/8-40/60 98/24-40/30 98/8-40/90 98/40-40/30 98/56-40/30