Add 40/84 and 20/5
1st number: 40/84, 2nd number: 4 0/5
40/84 + 20/5 is 94/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
40/84 = 40 × 5/84 × 5 = 200/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
20/5 = 20 × 84/5 × 84 = 1680/420 - Add the two like fractions:
200/420 + 1680/420 = 200 + 1680/420 = 1880/420 - 1880/420 simplified gives 94/21
- So, 40/84 + 20/5 = 94/21
In mixed form: 410/21
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