Add 15/12 and 90/36
1st number: 1 3/12, 2nd number: 2 18/36
15/12 + 90/36 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
15/12 = 15 × 3/12 × 3 = 45/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
90/36 = 90 × 1/36 × 1 = 90/36 - Add the two like fractions:
45/36 + 90/36 = 45 + 90/36 = 135/36 - 135/36 simplified gives 15/4
- So, 15/12 + 90/36 = 15/4
In mixed form: 33/4
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