Add 4/84 and 40/5
1st number: 4/84, 2nd number: 8 0/5
4/84 + 40/5 is 169/21.
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,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
40/5 = 40 × 84/5 × 84 = 3360/420 - Add the two like fractions:
20/420 + 3360/420 = 20 + 3360/420 = 3380/420 - 3380/420 simplified gives 169/21
- So, 4/84 + 40/5 = 169/21
In mixed form: 81/21
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