Add 3/36 and 3/90
3/36 + 3/90 is 7/60.
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,
3/36 = 3 × 5/36 × 5 = 15/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
15/180 + 6/180 = 15 + 6/180 = 21/180 - 21/180 simplified gives 7/60
- So, 3/36 + 3/90 = 7/60
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