Add 18/84 and 15/72
18/84 + 15/72 is 71/168.
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,
18/84 = 18 × 6/84 × 6 = 108/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
108/504 + 105/504 = 108 + 105/504 = 213/504 - 213/504 simplified gives 71/168
- So, 18/84 + 15/72 = 71/168
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