Add 45/42 and 15/10, Solve 1 3/42 + 1 5/10 as a fraction

Add 45/42 and 15/10

1^st number: 1 3/42, 2^nd number: 1 5/10

45/42 + 15/10 is 18/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
15/10 = 15 × 21/10 × 21 = 315/210
Add the two like fractions:
225/210 + 315/210 = 225 + 315/210 = 540/210
540/210 simplified gives 18/7
So, 45/42 + 15/10 = 18/7
In mixed form: 24/7

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