Subtract 15/54 from 42/35
1st number: 1 7/35, 2nd number: 15/54
42/35 - 15/54 is 83/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
42/35 = 42 × 54/35 × 54 = 2268/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
15/54 = 15 × 35/54 × 35 = 525/1890 - Subtract the two like fractions:
2268/1890 - 525/1890 = 2268 - 525/1890 = 1743/1890 - After reducing the fraction, the answer is 83/90
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