Subtract 27/72 from 84/28
1st number: 3 0/28, 2nd number: 27/72
84/28 - 27/72 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
84/28 = 84 × 18/28 × 18 = 1512/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504 - Subtract the two like fractions:
1512/504 - 189/504 = 1512 - 189/504 = 1323/504 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
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