Add 15/2 and 20/36
1st number: 7 1/2, 2nd number: 20/36
15/2 + 20/36 is 145/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
15/2 = 15 × 18/2 × 18 = 270/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Add the two like fractions:
270/36 + 20/36 = 270 + 20/36 = 290/36 - 290/36 simplified gives 145/18
- So, 15/2 + 20/36 = 145/18
In mixed form: 81/18
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