Add 40/84 and 84/18
1st number: 40/84, 2nd number: 4 12/18
40/84 + 84/18 is 36/7.
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,
40/84 = 40 × 3/84 × 3 = 120/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
84/18 = 84 × 14/18 × 14 = 1176/252 - Add the two like fractions:
120/252 + 1176/252 = 120 + 1176/252 = 1296/252 - 1296/252 simplified gives 36/7
- So, 40/84 + 84/18 = 36/7
In mixed form: 51/7
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