Add 5/84 and 70/72
5/84 + 70/72 is 65/63.
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,
5/84 = 5 × 6/84 × 6 = 30/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Add the two like fractions:
30/504 + 490/504 = 30 + 490/504 = 520/504 - 520/504 simplified gives 65/63
- So, 5/84 + 70/72 = 65/63
In mixed form: 12/63
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