Add 21/15 and 5/25
1st number: 1 6/15, 2nd number: 5/25
21/15 + 5/25 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
21/15 = 21 × 5/15 × 5 = 105/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
5/25 = 5 × 3/25 × 3 = 15/75 - Add the two like fractions:
105/75 + 15/75 = 105 + 15/75 = 120/75 - 120/75 simplified gives 8/5
- So, 21/15 + 5/25 = 8/5
In mixed form: 13/5
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