Subtract 25/27 from 42/4
1st number: 10 2/4, 2nd number: 25/27
42/4 - 25/27 is 517/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
42/4 = 42 × 27/4 × 27 = 1134/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
25/27 = 25 × 4/27 × 4 = 100/108 - Subtract the two like fractions:
1134/108 - 100/108 = 1134 - 100/108 = 1034/108 - After reducing the fraction, the answer is 517/54
- In mixed form: 931/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-25/27 42/4-50/27 42/8-25/27 42/4-25/54 42/4-75/27 42/12-25/27 42/4-25/81 42/20-25/27 42/28-25/27