Add 81/28 and 72/9
1st number: 2 25/28, 2nd number: 8 0/9
81/28 + 72/9 is 305/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
72/9 = 72 × 28/9 × 28 = 2016/252 - Add the two like fractions:
729/252 + 2016/252 = 729 + 2016/252 = 2745/252 - 2745/252 simplified gives 305/28
- So, 81/28 + 72/9 = 305/28
In mixed form: 1025/28
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