Add 18/42 and 45/25
1st number: 18/42, 2nd number: 1 20/25
18/42 + 45/25 is 78/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
18/42 = 18 × 25/42 × 25 = 450/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
45/25 = 45 × 42/25 × 42 = 1890/1050 - Add the two like fractions:
450/1050 + 1890/1050 = 450 + 1890/1050 = 2340/1050 - 2340/1050 simplified gives 78/35
- So, 18/42 + 45/25 = 78/35
In mixed form: 28/35
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