Subtract 81/48 from 42/4
1st number: 10 2/4, 2nd number: 1 33/48
42/4 - 81/48 is 141/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 4 × 12 = 48,
42/4 = 42 × 12/4 × 12 = 504/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
81/48 = 81 × 1/48 × 1 = 81/48 - Subtract the two like fractions:
504/48 - 81/48 = 504 - 81/48 = 423/48 - After reducing the fraction, the answer is 141/16
- In mixed form: 813/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-81/48 42/8-81/48 42/4-81/96 42/12-81/48 42/20-81/48 42/28-81/48