Add 90/50 and 20/42
1st number: 1 40/50, 2nd number: 20/42
90/50 + 20/42 is 239/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
90/50 = 90 × 21/50 × 21 = 1890/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
20/42 = 20 × 25/42 × 25 = 500/1050 - Add the two like fractions:
1890/1050 + 500/1050 = 1890 + 500/1050 = 2390/1050 - 2390/1050 simplified gives 239/105
- So, 90/50 + 20/42 = 239/105
In mixed form: 229/105
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