Add 45/15 and 18/36
1st number: 3 0/15, 2nd number: 18/36
45/15 + 18/36 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
45/15 = 45 × 12/15 × 12 = 540/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Add the two like fractions:
540/180 + 90/180 = 540 + 90/180 = 630/180 - 630/180 simplified gives 7/2
- So, 45/15 + 18/36 = 7/2
In mixed form: 31/2
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