Add 7/84 and 15/45
7/84 + 15/45 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
7/84 = 7 × 15/84 × 15 = 105/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
15/45 = 15 × 28/45 × 28 = 420/1260 - Add the two like fractions:
105/1260 + 420/1260 = 105 + 420/1260 = 525/1260 - 525/1260 simplified gives 5/12
- So, 7/84 + 15/45 = 5/12
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