Add 30/90 and 12/45
30/90 + 12/45 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 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 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Add the two like fractions:
30/90 + 24/90 = 30 + 24/90 = 54/90 - 54/90 simplified gives 3/5
- So, 30/90 + 12/45 = 3/5
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