Add 3/84 and 75/30
1st number: 3/84, 2nd number: 2 15/30
3/84 + 75/30 is 71/28.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
75/30 = 75 × 14/30 × 14 = 1050/420 - Add the two like fractions:
15/420 + 1050/420 = 15 + 1050/420 = 1065/420 - 1065/420 simplified gives 71/28
- So, 3/84 + 75/30 = 71/28
In mixed form: 215/28
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