Add 18/3 and 42/72
1st number: 6 0/3, 2nd number: 42/72
18/3 + 42/72 is 79/12.
Steps for adding fractions
- 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,
18/3 = 18 × 24/3 × 24 = 432/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Add the two like fractions:
432/72 + 42/72 = 432 + 42/72 = 474/72 - 474/72 simplified gives 79/12
- So, 18/3 + 42/72 = 79/12
In mixed form: 67/12
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