Add 2/5 and 80/84
2/5 + 80/84 is 142/105.
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,
80/84 = 80 × 5/84 × 5 = 400/420 - Add the two like fractions:
168/420 + 400/420 = 168 + 400/420 = 568/420 - 568/420 simplified gives 142/105
- So, 2/5 + 80/84 = 142/105
In mixed form: 137/105
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