Add 20/30 and 2/90
20/30 + 2/90 is 31/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Add the two like fractions:
60/90 + 2/90 = 60 + 2/90 = 62/90 - 62/90 simplified gives 31/45
- So, 20/30 + 2/90 = 31/45
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