Add 42/18 and 18/72
1st number: 2 6/18, 2nd number: 18/72
42/18 + 18/72 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Add the two like fractions:
168/72 + 18/72 = 168 + 18/72 = 186/72 - 186/72 simplified gives 31/12
- So, 42/18 + 18/72 = 31/12
In mixed form: 27/12
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