Add 50/42 and 90/18, Solve 1 8/42 + 5 0/18 as a fraction

Add 50/42 and 90/18

1^st number: 1 8/42, 2^nd number: 5 0/18

50/42 + 90/18 is 130/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
50/42 = 50 × 3/42 × 3 = 150/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126
Add the two like fractions:
150/126 + 630/126 = 150 + 630/126 = 780/126
780/126 simplified gives 130/21
So, 50/42 + 90/18 = 130/21
In mixed form: 64/21

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