Add 20/36 and 15/30
20/36 + 15/30 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
15/30 = 15 × 6/30 × 6 = 90/180 - Add the two like fractions:
100/180 + 90/180 = 100 + 90/180 = 190/180 - 190/180 simplified gives 19/18
- So, 20/36 + 15/30 = 19/18
In mixed form: 11/18
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