Add 45/3 and 72/45
1st number: 15 0/3, 2nd number: 1 27/45
45/3 + 72/45 is 83/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
45/3 = 45 × 15/3 × 15 = 675/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
72/45 = 72 × 1/45 × 1 = 72/45 - Add the two like fractions:
675/45 + 72/45 = 675 + 72/45 = 747/45 - 747/45 simplified gives 83/5
- So, 45/3 + 72/45 = 83/5
In mixed form: 163/5
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