Add 81/70 and 30/63, Solve 1 11/70 + 30/63 as a fraction

Add 81/70 and 30/63

1^st number: 1 11/70, 2^nd number: 30/63

81/70 + 30/63 is 49/30.

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,
81/70 = 81 × 9/70 × 9 = 729/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
30/63 = 30 × 10/63 × 10 = 300/630
Add the two like fractions:
729/630 + 300/630 = 729 + 300/630 = 1029/630
1029/630 simplified gives 49/30
So, 81/70 + 30/63 = 49/30
In mixed form: 119/30

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