Add 2/36 and 21/90
2/36 + 21/90 is 13/45.
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,
2/36 = 2 × 5/36 × 5 = 10/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
21/90 = 21 × 2/90 × 2 = 42/180 - Add the two like fractions:
10/180 + 42/180 = 10 + 42/180 = 52/180 - 52/180 simplified gives 13/45
- So, 2/36 + 21/90 = 13/45
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