Add 27/10 and 80/63, Solve 2 7/10 + 1 17/63 as a fraction

Add 27/10 and 80/63

1^st number: 2 7/10, 2^nd number: 1 17/63

27/10 + 80/63 is 2501/630.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 10 × 63 = 630,
27/10 = 27 × 63/10 × 63 = 1701/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630
Add the two like fractions:
1701/630 + 800/630 = 1701 + 800/630 = 2501/630
So, 27/10 + 80/63 = 2501/630
In mixed form: 3611/630

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