Add 90/18 and 42/35
1st number: 5 0/18, 2nd number: 1 7/35
90/18 + 42/35 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
90/18 = 90 × 35/18 × 35 = 3150/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Add the two like fractions:
3150/630 + 756/630 = 3150 + 756/630 = 3906/630 - 3906/630 simplified gives 31/5
- So, 90/18 + 42/35 = 31/5
In mixed form: 61/5
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