Add 15/5 and 4/84
1st number: 3 0/5, 2nd number: 4/84
15/5 + 4/84 is 64/21.
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,
15/5 = 15 × 84/5 × 84 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Add the two like fractions:
1260/420 + 20/420 = 1260 + 20/420 = 1280/420 - 1280/420 simplified gives 64/21
- So, 15/5 + 4/84 = 64/21
In mixed form: 31/21
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