Add 21/6 and 72/4
1st number: 3 3/6, 2nd number: 18 0/4
21/6 + 72/4 is 43/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
21/6 = 21 × 2/6 × 2 = 42/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
72/4 = 72 × 3/4 × 3 = 216/12 - Add the two like fractions:
42/12 + 216/12 = 42 + 216/12 = 258/12 - 258/12 simplified gives 43/2
- So, 21/6 + 72/4 = 43/2
In mixed form: 211/2
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