Add 45/28 and 72/81
1st number: 1 17/28, 2nd number: 72/81
45/28 + 72/81 is 629/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
45/28 = 45 × 81/28 × 81 = 3645/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
72/81 = 72 × 28/81 × 28 = 2016/2268 - Add the two like fractions:
3645/2268 + 2016/2268 = 3645 + 2016/2268 = 5661/2268 - 5661/2268 simplified gives 629/252
- So, 45/28 + 72/81 = 629/252
In mixed form: 2125/252
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