Subtract 7/70 from 72/27
1st number: 2 18/27, 2nd number: 7/70
72/27 - 7/70 is 77/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
72/27 = 72 × 70/27 × 70 = 5040/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
7/70 = 7 × 27/70 × 27 = 189/1890 - Subtract the two like fractions:
5040/1890 - 189/1890 = 5040 - 189/1890 = 4851/1890 - After reducing the fraction, the answer is 77/30
- In mixed form: 217/30
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