Add 10/70 and 81/18, Solve 10/70 + 4 9/18 as a fraction

Add 10/70 and 81/18

1^st number: 10/70, 2^nd number: 4 9/18

10/70 + 81/18 is 65/14.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
10/70 = 10 × 9/70 × 9 = 90/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
81/18 = 81 × 35/18 × 35 = 2835/630
Add the two like fractions:
90/630 + 2835/630 = 90 + 2835/630 = 2925/630
2925/630 simplified gives 65/14
So, 10/70 + 81/18 = 65/14
In mixed form: 49/14

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