Subtract 45/72 from 84/2
1st number: 42 0/2, 2nd number: 45/72
84/2 - 45/72 is 331/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
84/2 = 84 × 36/2 × 36 = 3024/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Subtract the two like fractions:
3024/72 - 45/72 = 3024 - 45/72 = 2979/72 - After reducing the fraction, the answer is 331/8
- In mixed form: 413/8
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