Subtract 98/12 from 42/24
1st number: 1 18/24, 2nd number: 8 2/12
42/24 - 98/12 is -77/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
98/12 = 98 × 2/12 × 2 = 196/24 - Subtract the two like fractions:
42/24 - 196/24 = 42 - 196/24 = -154/24 - After reducing the fraction, the answer is -77/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-98/12 42/48-98/12 42/24-98/24 42/72-98/12 42/24-98/36 42/24-98/60 42/24-98/84