Subtract 42/70 from 30/6
1st number: 5 0/6, 2nd number: 42/70
30/6 - 42/70 is 22/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
30/6 = 30 × 35/6 × 35 = 1050/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210 - Subtract the two like fractions:
1050/210 - 126/210 = 1050 - 126/210 = 924/210 - After reducing the fraction, the answer is 22/5
- In mixed form: 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6-42/70 30/6-84/70 30/12-42/70 90/6-42/70 30/18-42/70 30/42-42/70