Add 80/70 and 98/63, Solve 1 10/70 + 1 35/63 as a fraction

Add 80/70 and 98/63

1^st number: 1 10/70, 2^nd number: 1 35/63

80/70 + 98/63 is 170/63.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
98/63 = 98 × 10/63 × 10 = 980/630
Add the two like fractions:
720/630 + 980/630 = 720 + 980/630 = 1700/630
1700/630 simplified gives 170/63
So, 80/70 + 98/63 = 170/63
In mixed form: 244/63

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