Add 18/42 and 98/60, Solve 18/42 + 1 38/60 as a fraction

Add 18/42 and 98/60

1^st number: 18/42, 2^nd number: 1 38/60

18/42 + 98/60 is 433/210.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
18/42 = 18 × 10/42 × 10 = 180/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
98/60 = 98 × 7/60 × 7 = 686/420
Add the two like fractions:
180/420 + 686/420 = 180 + 686/420 = 866/420
866/420 simplified gives 433/210
So, 18/42 + 98/60 = 433/210
In mixed form: 213/210

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