Add 90/75 and 28/42
1st number: 1 15/75, 2nd number: 28/42
90/75 + 28/42 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
28/42 = 28 × 25/42 × 25 = 700/1050 - Add the two like fractions:
1260/1050 + 700/1050 = 1260 + 700/1050 = 1960/1050 - 1960/1050 simplified gives 28/15
- So, 90/75 + 28/42 = 28/15
In mixed form: 113/15
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