Add 30/36 and 80/42
1st number: 30/36, 2nd number: 1 38/42
30/36 + 80/42 is 115/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
80/42 = 80 × 6/42 × 6 = 480/252 - Add the two like fractions:
210/252 + 480/252 = 210 + 480/252 = 690/252 - 690/252 simplified gives 115/42
- So, 30/36 + 80/42 = 115/42
In mixed form: 231/42
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