Subtract 54/70 from 21/6
1st number: 3 3/6, 2nd number: 54/70
21/6 - 54/70 is 191/70.
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,
21/6 = 21 × 35/6 × 35 = 735/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
54/70 = 54 × 3/70 × 3 = 162/210 - Subtract the two like fractions:
735/210 - 162/210 = 735 - 162/210 = 573/210 - After reducing the fraction, the answer is 191/70
- In mixed form: 251/70
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