Subtract 4/70 from 42/24
1st number: 1 18/24, 2nd number: 4/70
42/24 - 4/70 is 237/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
42/24 = 42 × 35/24 × 35 = 1470/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
4/70 = 4 × 12/70 × 12 = 48/840 - Subtract the two like fractions:
1470/840 - 48/840 = 1470 - 48/840 = 1422/840 - After reducing the fraction, the answer is 237/140
- In mixed form: 197/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-4/70 42/24-8/70 42/48-4/70 42/24-12/70 42/72-4/70 42/24-20/70 42/24-28/70