Add 27/5 and 45/28, Solve 5 2/5 + 1 17/28 as a fraction

Add 27/5 and 45/28

1^st number: 5 2/5, 2^nd number: 1 17/28

27/5 + 45/28 is 981/140.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 5 × 28 = 140,
27/5 = 27 × 28/5 × 28 = 756/140
Likewise, for the 2nd fraction, since 28 × 5 = 140,
45/28 = 45 × 5/28 × 5 = 225/140
Add the two like fractions:
756/140 + 225/140 = 756 + 225/140 = 981/140
So, 27/5 + 45/28 = 981/140
In mixed form: 71/140

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