Add 25/28 and 84/72
1st number: 25/28, 2nd number: 1 12/72
25/28 + 84/72 is 173/84.
Steps for adding 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,
25/28 = 25 × 18/28 × 18 = 450/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504 - Add the two like fractions:
450/504 + 588/504 = 450 + 588/504 = 1038/504 - 1038/504 simplified gives 173/84
- So, 25/28 + 84/72 = 173/84
In mixed form: 25/84
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