Add 30/27 and 21/45, Solve 1 3/27 + 21/45 as a fraction

Add 30/27 and 21/45

1^st number: 1 3/27, 2^nd number: 21/45

30/27 + 21/45 is 71/45.

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

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135
Likewise, for the 2nd fraction, since 45 × 3 = 135,
21/45 = 21 × 3/45 × 3 = 63/135
Add the two like fractions:
150/135 + 63/135 = 150 + 63/135 = 213/135
213/135 simplified gives 71/45
So, 30/27 + 21/45 = 71/45
In mixed form: 126/45

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