Add 28/90 and 98/35, Solve 28/90 + 2 28/35 as a fraction

Add 28/90 and 98/35

1^st number: 28/90, 2^nd number: 2 28/35

28/90 + 98/35 is 28/9.

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,
28/90 = 28 × 7/90 × 7 = 196/630
Likewise, for the 2nd fraction, since 35 × 18 = 630,
98/35 = 98 × 18/35 × 18 = 1764/630
Add the two like fractions:
196/630 + 1764/630 = 196 + 1764/630 = 1960/630
1960/630 simplified gives 28/9
So, 28/90 + 98/35 = 28/9
In mixed form: 31/9

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