Add 9/84 and 3/20
9/84 + 3/20 is 9/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
3/20 = 3 × 21/20 × 21 = 63/420 - Add the two like fractions:
45/420 + 63/420 = 45 + 63/420 = 108/420 - 108/420 simplified gives 9/35
- So, 9/84 + 3/20 = 9/35
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