Subtract 7/42 from 30/5
1st number: 6 0/5, 2nd number: 7/42
30/5 - 7/42 is 35/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
30/5 = 30 × 42/5 × 42 = 1260/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Subtract the two like fractions:
1260/210 - 35/210 = 1260 - 35/210 = 1225/210 - After reducing the fraction, the answer is 35/6
- In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-7/42 30/5-14/42 30/10-7/42 30/5-7/84 90/5-7/42 30/5-21/42 30/15-7/42 30/5-35/42 30/25-7/42 30/5-49/42 30/35-7/42