Add 18/35 and 30/84
18/35 + 30/84 is 61/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
18/35 = 18 × 12/35 × 12 = 216/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Add the two like fractions:
216/420 + 150/420 = 216 + 150/420 = 366/420 - 366/420 simplified gives 61/70
- So, 18/35 + 30/84 = 61/70
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