Add 80/63 and 45/70, Solve 1 17/63 + 45/70 as a fraction

Add 80/63 and 45/70

1^st number: 1 17/63, 2^nd number: 45/70

80/63 + 45/70 is 241/126.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630
Add the two like fractions:
800/630 + 405/630 = 800 + 405/630 = 1205/630
1205/630 simplified gives 241/126
So, 80/63 + 45/70 = 241/126
In mixed form: 1115/126

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