Add 9/84 and 3/72
9/84 + 3/72 is 25/168.
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,
9/84 = 9 × 6/84 × 6 = 54/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504 - Add the two like fractions:
54/504 + 21/504 = 54 + 21/504 = 75/504 - 75/504 simplified gives 25/168
- So, 9/84 + 3/72 = 25/168
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