Add 8/84 and 45/30
1st number: 8/84, 2nd number: 1 15/30
8/84 + 45/30 is 67/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
45/30 = 45 × 14/30 × 14 = 630/420 - Add the two like fractions:
40/420 + 630/420 = 40 + 630/420 = 670/420 - 670/420 simplified gives 67/42
- So, 8/84 + 45/30 = 67/42
In mixed form: 125/42
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