Add 81/28 and 27/70, Solve 2 25/28 + 27/70 as a fraction

Add 81/28 and 27/70

1^st number: 2 25/28, 2^nd number: 27/70

81/28 + 27/70 is 459/140.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 28 × 5 = 140,
81/28 = 81 × 5/28 × 5 = 405/140
Likewise, for the 2nd fraction, since 70 × 2 = 140,
27/70 = 27 × 2/70 × 2 = 54/140
Add the two like fractions:
405/140 + 54/140 = 405 + 54/140 = 459/140
So, 81/28 + 27/70 = 459/140
In mixed form: 339/140

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