Add 40/9 and 42/72, Solve 4 4/9 + 42/72 as a fraction

Add 40/9 and 42/72

1^st number: 4 4/9, 2^nd number: 42/72

40/9 + 42/72 is 181/36.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72
Add the two like fractions:
320/72 + 42/72 = 320 + 42/72 = 362/72
362/72 simplified gives 181/36
So, 40/9 + 42/72 = 181/36
In mixed form: 51/36

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