Add 72/15 and 30/45
1st number: 4 12/15, 2nd number: 30/45
72/15 + 30/45 is 82/15.
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,
72/15 = 72 × 3/15 × 3 = 216/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
30/45 = 30 × 1/45 × 1 = 30/45 - Add the two like fractions:
216/45 + 30/45 = 216 + 30/45 = 246/45 - 246/45 simplified gives 82/15
- So, 72/15 + 30/45 = 82/15
In mixed form: 57/15
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