Subtract 1/45 from 84/63
1st number: 1 21/63, 2nd number: 1/45
84/63 - 1/45 is 59/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Subtract the two like fractions:
420/315 - 7/315 = 420 - 7/315 = 413/315 - After reducing the fraction, the answer is 59/45
- In mixed form: 114/45
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