Subtract 70/54 from 21/35
1st number: 21/35, 2nd number: 1 16/54
21/35 - 70/54 is -94/135.
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,
21/35 = 21 × 54/35 × 54 = 1134/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
70/54 = 70 × 35/54 × 35 = 2450/1890 - Subtract the two like fractions:
1134/1890 - 2450/1890 = 1134 - 2450/1890 = -1316/1890 - After reducing the fraction, the answer is -94/135
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