Add 3/45 and 60/42, Solve 3/45 + 1 18/42 as a fraction

Add 3/45 and 60/42

1^st number: 3/45, 2^nd number: 1 18/42

3/45 + 60/42 is 157/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630
Likewise, for the 2nd fraction, since 42 × 15 = 630,
60/42 = 60 × 15/42 × 15 = 900/630
Add the two like fractions:
42/630 + 900/630 = 42 + 900/630 = 942/630
942/630 simplified gives 157/105
So, 3/45 + 60/42 = 157/105
In mixed form: 152/105

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