Add 8/84 and 21/72
8/84 + 21/72 is 65/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
8/84 = 8 × 6/84 × 6 = 48/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504 - Add the two like fractions:
48/504 + 147/504 = 48 + 147/504 = 195/504 - 195/504 simplified gives 65/168
- So, 8/84 + 21/72 = 65/168
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