Subtract 15/54 from 72/70
1st number: 1 2/70, 2nd number: 15/54
72/70 - 15/54 is 473/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
72/70 = 72 × 27/70 × 27 = 1944/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
15/54 = 15 × 35/54 × 35 = 525/1890 - Subtract the two like fractions:
1944/1890 - 525/1890 = 1944 - 525/1890 = 1419/1890 - After reducing the fraction, the answer is 473/630
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