Add 28/42 and 49/45, Solve 28/42 + 1 4/45 as a fraction

Add 28/42 and 49/45

1^st number: 28/42, 2^nd number: 1 4/45

28/42 + 49/45 is 79/45.

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,
28/42 = 28 × 15/42 × 15 = 420/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
49/45 = 49 × 14/45 × 14 = 686/630
Add the two like fractions:
420/630 + 686/630 = 420 + 686/630 = 1106/630
1106/630 simplified gives 79/45
So, 28/42 + 49/45 = 79/45
In mixed form: 134/45

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