Add 90/18 and 42/4
1st number: 5 0/18, 2nd number: 10 2/4
90/18 + 42/4 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
90/18 = 90 × 2/18 × 2 = 180/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Add the two like fractions:
180/36 + 378/36 = 180 + 378/36 = 558/36 - 558/36 simplified gives 31/2
- So, 90/18 + 42/4 = 31/2
In mixed form: 151/2
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