Add 45/15 and 72/45
1st number: 3 0/15, 2nd number: 1 27/45
45/15 + 72/45 is 23/5.
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,
45/15 = 45 × 3/15 × 3 = 135/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
72/45 = 72 × 1/45 × 1 = 72/45 - Add the two like fractions:
135/45 + 72/45 = 135 + 72/45 = 207/45 - 207/45 simplified gives 23/5
- So, 45/15 + 72/45 = 23/5
In mixed form: 43/5
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