Add 25/10 and 9/84, Solve 2 5/10 + 9/84 as a fraction

Add 25/10 and 9/84

1^st number: 2 5/10, 2^nd number: 9/84

25/10 + 9/84 is 73/28.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 10 × 42 = 420,
25/10 = 25 × 42/10 × 42 = 1050/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420
Add the two like fractions:
1050/420 + 45/420 = 1050 + 45/420 = 1095/420
1095/420 simplified gives 73/28
So, 25/10 + 9/84 = 73/28
In mixed form: 217/28

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