Add 4/42 and 49/45, Solve 4/42 + 1 4/45 as a fraction

Add 4/42 and 49/45

1^st number: 4/42, 2^nd number: 1 4/45

4/42 + 49/45 is 373/315.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
4/42 = 4 × 15/42 × 15 = 60/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
49/45 = 49 × 14/45 × 14 = 686/630
Add the two like fractions:
60/630 + 686/630 = 60 + 686/630 = 746/630
746/630 simplified gives 373/315
So, 4/42 + 49/45 = 373/315
In mixed form: 158/315

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