Add 75/84 and 63/18
1st number: 75/84, 2nd number: 3 9/18
75/84 + 63/18 is 123/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
75/84 = 75 × 3/84 × 3 = 225/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
63/18 = 63 × 14/18 × 14 = 882/252 - Add the two like fractions:
225/252 + 882/252 = 225 + 882/252 = 1107/252 - 1107/252 simplified gives 123/28
- So, 75/84 + 63/18 = 123/28
In mixed form: 411/28
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