Add 9/27 and 42/40, Solve 9/27 + 1 2/40 as a fraction

Add 9/27 and 42/40

1^st number: 9/27, 2^nd number: 1 2/40

9/27 + 42/40 is 83/60.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 27 × 40 = 1080,
9/27 = 9 × 40/27 × 40 = 360/1080
Likewise, for the 2nd fraction, since 40 × 27 = 1080,
42/40 = 42 × 27/40 × 27 = 1134/1080
Add the two like fractions:
360/1080 + 1134/1080 = 360 + 1134/1080 = 1494/1080
1494/1080 simplified gives 83/60
So, 9/27 + 42/40 = 83/60
In mixed form: 123/60

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