Subtract 25/72 from 84/4
1st number: 21 0/4, 2nd number: 25/72
84/4 - 25/72 is 1487/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
84/4 = 84 × 18/4 × 18 = 1512/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
25/72 = 25 × 1/72 × 1 = 25/72 - Subtract the two like fractions:
1512/72 - 25/72 = 1512 - 25/72 = 1487/72 - In mixed form: 2047/72
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