Add 42/70 and 35/18, Solve 42/70 + 1 17/18 as a fraction

Add 42/70 and 35/18

1^st number: 42/70, 2^nd number: 1 17/18

42/70 + 35/18 is 229/90.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
35/18 = 35 × 35/18 × 35 = 1225/630
Add the two like fractions:
378/630 + 1225/630 = 378 + 1225/630 = 1603/630
1603/630 simplified gives 229/90
So, 42/70 + 35/18 = 229/90
In mixed form: 249/90

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