Subtract 1/5 from 42/28
1st number: 1 14/28, 2nd number: 1/5
42/28 - 1/5 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
42/28 = 42 × 5/28 × 5 = 210/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
1/5 = 1 × 28/5 × 28 = 28/140 - Subtract the two like fractions:
210/140 - 28/140 = 210 - 28/140 = 182/140 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-1/5 42/28-2/5 42/56-1/5 42/28-1/10 42/28-3/5 42/84-1/5 42/28-1/15 42/28-1/25 42/28-7/5 42/28-1/35