Add 72/45 and 6/12, Solve 1 27/45 + 6/12 as a fraction

Add 72/45 and 6/12

1^st number: 1 27/45, 2^nd number: 6/12

72/45 + 6/12 is 21/10.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 45 × 4 = 180,
72/45 = 72 × 4/45 × 4 = 288/180
Likewise, for the 2nd fraction, since 12 × 15 = 180,
6/12 = 6 × 15/12 × 15 = 90/180
Add the two like fractions:
288/180 + 90/180 = 288 + 90/180 = 378/180
378/180 simplified gives 21/10
So, 72/45 + 6/12 = 21/10
In mixed form: 21/10

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