Add 18/30 and 30/84
18/30 + 30/84 is 67/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
18/30 = 18 × 14/30 × 14 = 252/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Add the two like fractions:
252/420 + 150/420 = 252 + 150/420 = 402/420 - 402/420 simplified gives 67/70
- So, 18/30 + 30/84 = 67/70
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