Subtract 2/8 from 42/4
1st number: 10 2/4, 2nd number: 2/8
42/4 - 2/8 is 41/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
42/4 = 42 × 2/4 × 2 = 84/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
2/8 = 2 × 1/8 × 1 = 2/8 - Subtract the two like fractions:
84/8 - 2/8 = 84 - 2/8 = 82/8 - After reducing the fraction, the answer is 41/4
- In mixed form: 101/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-2/8 42/4-4/8 42/8-2/8 42/4-2/16 42/4-6/8 42/12-2/8 42/4-2/24 42/4-10/8 42/20-2/8 42/4-2/40 42/4-14/8 42/28-2/8 42/4-2/56