Add 30/90 and 98/21, Solve 30/90 + 4 14/21 as a fraction

Add 30/90 and 98/21

1^st number: 30/90, 2^nd number: 4 14/21

30/90 + 98/21 is 5/1.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630
Likewise, for the 2nd fraction, since 21 × 30 = 630,
98/21 = 98 × 30/21 × 30 = 2940/630
Add the two like fractions:
210/630 + 2940/630 = 210 + 2940/630 = 3150/630
3150/630 simplified gives 5/1
So, 30/90 + 98/21 = 5/1

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