Add 24/90 and 81/70, Solve 24/90 + 1 11/70 as a fraction

Add 24/90 and 81/70

1^st number: 24/90, 2^nd number: 1 11/70

24/90 + 81/70 is 299/210.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
24/90 = 24 × 7/90 × 7 = 168/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630
Add the two like fractions:
168/630 + 729/630 = 168 + 729/630 = 897/630
897/630 simplified gives 299/210
So, 24/90 + 81/70 = 299/210
In mixed form: 189/210

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