Add 42/27 and 75/30, Solve 1 15/27 + 2 15/30 as a fraction

Add 42/27 and 75/30

1^st number: 1 15/27, 2^nd number: 2 15/30

42/27 + 75/30 is 73/18.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270
Likewise, for the 2nd fraction, since 30 × 9 = 270,
75/30 = 75 × 9/30 × 9 = 675/270
Add the two like fractions:
420/270 + 675/270 = 420 + 675/270 = 1095/270
1095/270 simplified gives 73/18
So, 42/27 + 75/30 = 73/18
In mixed form: 41/18

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