Add 27/42 and 90/75
1st number: 27/42, 2nd number: 1 15/75
27/42 + 90/75 is 129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
675/1050 + 1260/1050 = 675 + 1260/1050 = 1935/1050 - 1935/1050 simplified gives 129/70
- So, 27/42 + 90/75 = 129/70
In mixed form: 159/70
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