Subtract 48/42 from 6/30
1st number: 6/30, 2nd number: 1 6/42
6/30 - 48/42 is -33/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
6/30 = 6 × 7/30 × 7 = 42/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
48/42 = 48 × 5/42 × 5 = 240/210 - Subtract the two like fractions:
42/210 - 240/210 = 42 - 240/210 = -198/210 - After reducing the fraction, the answer is -33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-48/42 6/30-96/42 6/60-48/42 6/30-48/84 18/30-48/42 6/90-48/42 42/30-48/42