Add 45/15 and 72/5
1st number: 3 0/15, 2nd number: 14 2/5
45/15 + 72/5 is 87/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
45/15 = 45 × 1/15 × 1 = 45/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
72/5 = 72 × 3/5 × 3 = 216/15 - Add the two like fractions:
45/15 + 216/15 = 45 + 216/15 = 261/15 - 261/15 simplified gives 87/5
- So, 45/15 + 72/5 = 87/5
In mixed form: 172/5
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