Add 42/18 and 90/35
1st number: 2 6/18, 2nd number: 2 20/35
42/18 + 90/35 is 103/21.
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,
42/18 = 42 × 35/18 × 35 = 1470/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Add the two like fractions:
1470/630 + 1620/630 = 1470 + 1620/630 = 3090/630 - 3090/630 simplified gives 103/21
- So, 42/18 + 90/35 = 103/21
In mixed form: 419/21
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