Add 20/36 and 18/90
20/36 + 18/90 is 34/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 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 90 × 2 = 180,
18/90 = 18 × 2/90 × 2 = 36/180 - Add the two like fractions:
100/180 + 36/180 = 100 + 36/180 = 136/180 - 136/180 simplified gives 34/45
- So, 20/36 + 18/90 = 34/45
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