Add 2/84 and 30/15
1st number: 2/84, 2nd number: 2 0/15
2/84 + 30/15 is 85/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
30/15 = 30 × 28/15 × 28 = 840/420 - Add the two like fractions:
10/420 + 840/420 = 10 + 840/420 = 850/420 - 850/420 simplified gives 85/42
- So, 2/84 + 30/15 = 85/42
In mixed form: 21/42
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