Subtract 4/14 from 42/20
1st number: 2 2/20, 2nd number: 4/14
42/20 - 4/14 is 127/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
4/14 = 4 × 10/14 × 10 = 40/140 - Subtract the two like fractions:
294/140 - 40/140 = 294 - 40/140 = 254/140 - After reducing the fraction, the answer is 127/70
- In mixed form: 157/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-4/14 42/20-8/14 42/40-4/14 42/20-4/28 42/20-12/14 42/60-4/14 42/20-4/42 42/20-20/14 42/20-4/70 42/20-28/14 42/20-4/98