Add 45/84 and 8/21
45/84 + 8/21 is 11/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
8/21 = 8 × 4/21 × 4 = 32/84 - Add the two like fractions:
45/84 + 32/84 = 45 + 32/84 = 77/84 - 77/84 simplified gives 11/12
- So, 45/84 + 8/21 = 11/12
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