Add 45/3 and 40/72, Solve 15 0/3 + 40/72 as a fraction

Add 45/3 and 40/72

1^st number: 15 0/3, 2^nd number: 40/72

45/3 + 40/72 is 140/9.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 3 × 24 = 72,
45/3 = 45 × 24/3 × 24 = 1080/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
40/72 = 40 × 1/72 × 1 = 40/72
Add the two like fractions:
1080/72 + 40/72 = 1080 + 40/72 = 1120/72
1120/72 simplified gives 140/9
So, 45/3 + 40/72 = 140/9
In mixed form: 155/9

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