Add 30/15 and 75/45
1st number: 2 0/15, 2nd number: 1 30/45
30/15 + 75/45 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
30/15 = 30 × 3/15 × 3 = 90/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
75/45 = 75 × 1/45 × 1 = 75/45 - Add the two like fractions:
90/45 + 75/45 = 90 + 75/45 = 165/45 - 165/45 simplified gives 11/3
- So, 30/15 + 75/45 = 11/3
In mixed form: 32/3
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