Add 9/15 and 72/45
1st number: 9/15, 2nd number: 1 27/45
9/15 + 72/45 is 11/5.
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,
9/15 = 9 × 3/15 × 3 = 27/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
72/45 = 72 × 1/45 × 1 = 72/45 - Add the two like fractions:
27/45 + 72/45 = 27 + 72/45 = 99/45 - 99/45 simplified gives 11/5
- So, 9/15 + 72/45 = 11/5
In mixed form: 21/5
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