Add 18/81 and 30/35
18/81 + 30/35 is 68/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
18/81 = 18 × 35/81 × 35 = 630/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
30/35 = 30 × 81/35 × 81 = 2430/2835 - Add the two like fractions:
630/2835 + 2430/2835 = 630 + 2430/2835 = 3060/2835 - 3060/2835 simplified gives 68/63
- So, 18/81 + 30/35 = 68/63
In mixed form: 15/63
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