Add 30/90 and 12/18
30/90 + 12/18 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Add the two like fractions:
30/90 + 60/90 = 30 + 60/90 = 90/90 - 90/90 simplified gives 1/1
- So, 30/90 + 12/18 = 1/1
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