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