Add 15/45 and 72/9
1st number: 15/45, 2nd number: 8 0/9
15/45 + 72/9 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Add the two like fractions:
15/45 + 360/45 = 15 + 360/45 = 375/45 - 375/45 simplified gives 25/3
- So, 15/45 + 72/9 = 25/3
In mixed form: 81/3
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