Add 15/35 and 28/84
15/35 + 28/84 is 16/21.
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,
15/35 = 15 × 12/35 × 12 = 180/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Add the two like fractions:
180/420 + 140/420 = 180 + 140/420 = 320/420 - 320/420 simplified gives 16/21
- So, 15/35 + 28/84 = 16/21
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