Subtract 49/40 from 25/10
1st number: 2 5/10, 2nd number: 1 9/40
25/10 - 49/40 is 51/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
25/10 = 25 × 4/10 × 4 = 100/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
49/40 = 49 × 1/40 × 1 = 49/40 - Subtract the two like fractions:
100/40 - 49/40 = 100 - 49/40 = 51/40 - In mixed form: 111/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10-49/40 25/10-98/40 25/20-49/40 25/10-49/80 75/10-49/40 25/30-49/40 25/50-49/40 25/70-49/40