Subtract 98/40 from 10/30
1st number: 10/30, 2nd number: 2 18/40
10/30 - 98/40 is -127/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
10/30 = 10 × 4/30 × 4 = 40/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120 - Subtract the two like fractions:
40/120 - 294/120 = 40 - 294/120 = -254/120 - After reducing the fraction, the answer is -127/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-98/40 10/60-98/40 10/30-98/80 10/90-98/40 50/30-98/40 70/30-98/40