Add 72/36 and 21/54
1st number: 2 0/36, 2nd number: 21/54
72/36 + 21/54 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
72/36 = 72 × 3/36 × 3 = 216/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
21/54 = 21 × 2/54 × 2 = 42/108 - Add the two like fractions:
216/108 + 42/108 = 216 + 42/108 = 258/108 - 258/108 simplified gives 43/18
- So, 72/36 + 21/54 = 43/18
In mixed form: 27/18
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