Add 42/90 and 21/5
1st number: 42/90, 2nd number: 4 1/5
42/90 + 21/5 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
21/5 = 21 × 18/5 × 18 = 378/90 - Add the two like fractions:
42/90 + 378/90 = 42 + 378/90 = 420/90 - 420/90 simplified gives 14/3
- So, 42/90 + 21/5 = 14/3
In mixed form: 42/3
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