Add 7/45 and 42/27, Solve 7/45 + 1 15/27 as a fraction

Add 7/45 and 42/27

1^st number: 7/45, 2^nd number: 1 15/27

7/45 + 42/27 is 77/45.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 45 × 3 = 135,
7/45 = 7 × 3/45 × 3 = 21/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135
Add the two like fractions:
21/135 + 210/135 = 21 + 210/135 = 231/135
231/135 simplified gives 77/45
So, 7/45 + 42/27 = 77/45
In mixed form: 132/45

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