Add 28/84 and 2/15
28/84 + 2/15 is 7/15.
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,
28/84 = 28 × 5/84 × 5 = 140/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
2/15 = 2 × 28/15 × 28 = 56/420 - Add the two like fractions:
140/420 + 56/420 = 140 + 56/420 = 196/420 - 196/420 simplified gives 7/15
- So, 28/84 + 2/15 = 7/15
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