Add 2/5 and 9/84
2/5 + 9/84 is 71/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
2/5 = 2 × 84/5 × 84 = 168/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Add the two like fractions:
168/420 + 45/420 = 168 + 45/420 = 213/420 - 213/420 simplified gives 71/140
- So, 2/5 + 9/84 = 71/140
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