Add 7/90 and 81/35, Solve 7/90 + 2 11/35 as a fraction

Add 7/90 and 81/35

1^st number: 7/90, 2^nd number: 2 11/35

7/90 + 81/35 is 1507/630.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630
Likewise, for the 2nd fraction, since 35 × 18 = 630,
81/35 = 81 × 18/35 × 18 = 1458/630
Add the two like fractions:
49/630 + 1458/630 = 49 + 1458/630 = 1507/630
So, 7/90 + 81/35 = 1507/630
In mixed form: 2247/630

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