Subtract 6/70 from 30/7
1st number: 4 2/7, 2nd number: 6/70
30/7 - 6/70 is 21/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
30/7 = 30 × 10/7 × 10 = 300/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
6/70 = 6 × 1/70 × 1 = 6/70 - Subtract the two like fractions:
300/70 - 6/70 = 300 - 6/70 = 294/70 - After reducing the fraction, the answer is 21/5
- In mixed form: 41/5
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