Subtract 42/40 from 48/4
1st number: 12 0/4, 2nd number: 1 2/40
48/4 - 42/40 is 219/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
48/4 = 48 × 10/4 × 10 = 480/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Subtract the two like fractions:
480/40 - 42/40 = 480 - 42/40 = 438/40 - After reducing the fraction, the answer is 219/20
- In mixed form: 1019/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/4-42/40 48/4-84/40 48/8-42/40 48/4-42/80 48/12-42/40 48/20-42/40 48/28-42/40