Subtract 42/49 from 48/20
1st number: 2 8/20, 2nd number: 42/49
48/20 - 42/49 is 54/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
48/20 = 48 × 49/20 × 49 = 2352/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
42/49 = 42 × 20/49 × 20 = 840/980 - Subtract the two like fractions:
2352/980 - 840/980 = 2352 - 840/980 = 1512/980 - After reducing the fraction, the answer is 54/35
- In mixed form: 119/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20-42/49 48/20-84/49 48/40-42/49 48/20-42/98 48/60-42/49