Add 40/18 and 21/12
1st number: 2 4/18, 2nd number: 1 9/12
40/18 + 21/12 is 143/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
40/18 = 40 × 2/18 × 2 = 80/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Add the two like fractions:
80/36 + 63/36 = 80 + 63/36 = 143/36 - So, 40/18 + 21/12 = 143/36
In mixed form: 335/36
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