Subtract 70/5 from 42/24
1st number: 1 18/24, 2nd number: 14 0/5
42/24 - 70/5 is -49/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
70/5 = 70 × 24/5 × 24 = 1680/120 - Subtract the two like fractions:
210/120 - 1680/120 = 210 - 1680/120 = -1470/120 - After reducing the fraction, the answer is -49/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-70/5 42/48-70/5 42/24-70/10 42/72-70/5 42/24-70/15 42/24-70/25 42/24-70/35