Add 18/42 and 50/45, Solve 18/42 + 1 5/45 as a fraction

Add 18/42 and 50/45

1^st number: 18/42, 2^nd number: 1 5/45

18/42 + 50/45 is 97/63.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
18/42 = 18 × 15/42 × 15 = 270/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
50/45 = 50 × 14/45 × 14 = 700/630
Add the two like fractions:
270/630 + 700/630 = 270 + 700/630 = 970/630
970/630 simplified gives 97/63
So, 18/42 + 50/45 = 97/63
In mixed form: 134/63

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