Add 36/18 and 90/72
1st number: 2 0/18, 2nd number: 1 18/72
36/18 + 90/72 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
36/18 = 36 × 4/18 × 4 = 144/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
144/72 + 90/72 = 144 + 90/72 = 234/72 - 234/72 simplified gives 13/4
- So, 36/18 + 90/72 = 13/4
In mixed form: 31/4
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