Add 21/35 and 16/84
21/35 + 16/84 is 83/105.
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,
21/35 = 21 × 12/35 × 12 = 252/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
16/84 = 16 × 5/84 × 5 = 80/420 - Add the two like fractions:
252/420 + 80/420 = 252 + 80/420 = 332/420 - 332/420 simplified gives 83/105
- So, 21/35 + 16/84 = 83/105
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