Add 21/75 and 98/45, Solve 21/75 + 2 8/45 as a fraction

Add 21/75 and 98/45

1^st number: 21/75, 2^nd number: 2 8/45

21/75 + 98/45 is 553/225.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 75 × 3 = 225,
21/75 = 21 × 3/75 × 3 = 63/225
Likewise, for the 2nd fraction, since 45 × 5 = 225,
98/45 = 98 × 5/45 × 5 = 490/225
Add the two like fractions:
63/225 + 490/225 = 63 + 490/225 = 553/225
So, 21/75 + 98/45 = 553/225
In mixed form: 2103/225

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