Add 81/25 and 20/45
1st number: 3 6/25, 2nd number: 20/45
81/25 + 20/45 is 829/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
81/25 = 81 × 9/25 × 9 = 729/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
20/45 = 20 × 5/45 × 5 = 100/225 - Add the two like fractions:
729/225 + 100/225 = 729 + 100/225 = 829/225 - So, 81/25 + 20/45 = 829/225
In mixed form: 3154/225
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