Add 45/84 and 14/15
45/84 + 14/15 is 617/420.
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,
45/84 = 45 × 5/84 × 5 = 225/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
14/15 = 14 × 28/15 × 28 = 392/420 - Add the two like fractions:
225/420 + 392/420 = 225 + 392/420 = 617/420 - So, 45/84 + 14/15 = 617/420
In mixed form: 1197/420
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