Subtract 54/3 from 70/42
1st number: 1 28/42, 2nd number: 18 0/3
70/42 - 54/3 is -49/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
54/3 = 54 × 14/3 × 14 = 756/42 - Subtract the two like fractions:
70/42 - 756/42 = 70 - 756/42 = -686/42 - After reducing the fraction, the answer is -49/3
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