Add 30/75 and 21/15
1st number: 30/75, 2nd number: 1 6/15
30/75 + 21/15 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
30/75 = 30 × 1/75 × 1 = 30/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
21/15 = 21 × 5/15 × 5 = 105/75 - Add the two like fractions:
30/75 + 105/75 = 30 + 105/75 = 135/75 - 135/75 simplified gives 9/5
- So, 30/75 + 21/15 = 9/5
In mixed form: 14/5
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