Add 5/84 and 42/27, Solve 5/84 + 1 15/27 as a fraction

Add 5/84 and 42/27

1^st number: 5/84, 2^nd number: 1 15/27

5/84 + 42/27 is 407/252.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 84 × 9 = 756,
5/84 = 5 × 9/84 × 9 = 45/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
42/27 = 42 × 28/27 × 28 = 1176/756
Add the two like fractions:
45/756 + 1176/756 = 45 + 1176/756 = 1221/756
1221/756 simplified gives 407/252
So, 5/84 + 42/27 = 407/252
In mixed form: 1155/252

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