Add 27/72 and 30/28
1st number: 27/72, 2nd number: 1 2/28
27/72 + 30/28 is 81/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
30/28 = 30 × 18/28 × 18 = 540/504 - Add the two like fractions:
189/504 + 540/504 = 189 + 540/504 = 729/504 - 729/504 simplified gives 81/56
- So, 27/72 + 30/28 = 81/56
In mixed form: 125/56
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