Add 45/90 and 84/70, Solve 45/90 + 1 14/70 as a fraction

Add 45/90 and 84/70

1^st number: 45/90, 2^nd number: 1 14/70

45/90 + 84/70 is 17/10.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
45/90 = 45 × 7/90 × 7 = 315/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630
Add the two like fractions:
315/630 + 756/630 = 315 + 756/630 = 1071/630
1071/630 simplified gives 17/10
So, 45/90 + 84/70 = 17/10
In mixed form: 17/10

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