Subtract 10/28 from 42/10
1st number: 4 2/10, 2nd number: 10/28
42/10 - 10/28 is 269/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
42/10 = 42 × 14/10 × 14 = 588/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Subtract the two like fractions:
588/140 - 50/140 = 588 - 50/140 = 538/140 - After reducing the fraction, the answer is 269/70
- In mixed form: 359/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-10/28 42/10-20/28 42/20-10/28 42/10-10/56 42/10-30/28 42/30-10/28 42/10-10/84 42/10-50/28 42/50-10/28 42/10-70/28 42/70-10/28