Add 2/72 and 21/18
1st number: 2/72, 2nd number: 1 3/18
2/72 + 21/18 is 43/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
21/18 = 21 × 4/18 × 4 = 84/72 - Add the two like fractions:
2/72 + 84/72 = 2 + 84/72 = 86/72 - 86/72 simplified gives 43/36
- So, 2/72 + 21/18 = 43/36
In mixed form: 17/36
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