Add 4/20 and 9/84
4/20 + 9/84 is 43/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
4/20 = 4 × 21/20 × 21 = 84/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Add the two like fractions:
84/420 + 45/420 = 84 + 45/420 = 129/420 - 129/420 simplified gives 43/140
- So, 4/20 + 9/84 = 43/140
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