Add 7/18 and 21/3
1st number: 7/18, 2nd number: 7 0/3
7/18 + 21/3 is 133/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
7/18 = 7 × 1/18 × 1 = 7/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
21/3 = 21 × 6/3 × 6 = 126/18 - Add the two like fractions:
7/18 + 126/18 = 7 + 126/18 = 133/18 - So, 7/18 + 21/3 = 133/18
In mixed form: 77/18
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