Subtract 1/42 from 25/10
1st number: 2 5/10, 2nd number: 1/42
25/10 - 1/42 is 52/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
25/10 = 25 × 21/10 × 21 = 525/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Subtract the two like fractions:
525/210 - 5/210 = 525 - 5/210 = 520/210 - After reducing the fraction, the answer is 52/21
- In mixed form: 210/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10-1/42 25/10-2/42 25/20-1/42 25/10-1/84 75/10-1/42 25/10-3/42 25/30-1/42 25/10-5/42 25/50-1/42 25/10-7/42 25/70-1/42