Add 72/6 and 21/18
1st number: 12 0/6, 2nd number: 1 3/18
72/6 + 21/18 is 79/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
72/6 = 72 × 3/6 × 3 = 216/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
21/18 = 21 × 1/18 × 1 = 21/18 - Add the two like fractions:
216/18 + 21/18 = 216 + 21/18 = 237/18 - 237/18 simplified gives 79/6
- So, 72/6 + 21/18 = 79/6
In mixed form: 131/6
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