Add 12/45 and 28/84
12/45 + 28/84 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
12/45 = 12 × 28/45 × 28 = 336/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
28/84 = 28 × 15/84 × 15 = 420/1260 - Add the two like fractions:
336/1260 + 420/1260 = 336 + 420/1260 = 756/1260 - 756/1260 simplified gives 3/5
- So, 12/45 + 28/84 = 3/5
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