Add 72/84 and 18/24
72/84 + 18/24 is 45/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
72/84 = 72 × 2/84 × 2 = 144/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168 - Add the two like fractions:
144/168 + 126/168 = 144 + 126/168 = 270/168 - 270/168 simplified gives 45/28
- So, 72/84 + 18/24 = 45/28
In mixed form: 117/28
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