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

Add 10/15 and 45/42

1^st number: 10/15, 2^nd number: 1 3/42

10/15 + 45/42 is 73/42.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Add the two like fractions:
140/210 + 225/210 = 140 + 225/210 = 365/210
365/210 simplified gives 73/42
So, 10/15 + 45/42 = 73/42
In mixed form: 131/42

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