Subtract 81/25 from 49/4
1st number: 12 1/4, 2nd number: 3 6/25
49/4 - 81/25 is 901/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
49/4 = 49 × 25/4 × 25 = 1225/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
81/25 = 81 × 4/25 × 4 = 324/100 - Subtract the two like fractions:
1225/100 - 324/100 = 1225 - 324/100 = 901/100 - In mixed form: 91/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4-81/25 49/8-81/25 49/4-81/50 49/12-81/25 49/4-81/75 49/20-81/25 49/28-81/25