Subtract 42/48 from 70/25
1st number: 2 20/25, 2nd number: 42/48
70/25 - 42/48 is 77/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 25 × 48 = 1200,
70/25 = 70 × 48/25 × 48 = 3360/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
42/48 = 42 × 25/48 × 25 = 1050/1200 - Subtract the two like fractions:
3360/1200 - 1050/1200 = 3360 - 1050/1200 = 2310/1200 - After reducing the fraction, the answer is 77/40
- In mixed form: 137/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-84/48 70/50-42/48 70/25-42/96 70/75-42/48