Subtract 70/90 from 42/54
42/54 - 70/90 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
70/90 = 70 × 3/90 × 3 = 210/270 - Subtract the two like fractions:
210/270 - 210/270 = 210 - 210/270 = 0/270 - The answer is 0
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Related: 84/54-70/90