Add 7/45 and 49/42, Solve 7/45 + 1 7/42 as a fraction

Add 7/45 and 49/42

1^st number: 7/45, 2^nd number: 1 7/42

7/45 + 49/42 is 119/90.

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,
7/45 = 7 × 14/45 × 14 = 98/630
Likewise, for the 2nd fraction, since 42 × 15 = 630,
49/42 = 49 × 15/42 × 15 = 735/630
Add the two like fractions:
98/630 + 735/630 = 98 + 735/630 = 833/630
833/630 simplified gives 119/90
So, 7/45 + 49/42 = 119/90
In mixed form: 129/90

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