Add 72/9 and 12/45
1st number: 8 0/9, 2nd number: 12/45
72/9 + 12/45 is 124/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
12/45 = 12 × 1/45 × 1 = 12/45 - Add the two like fractions:
360/45 + 12/45 = 360 + 12/45 = 372/45 - 372/45 simplified gives 124/15
- So, 72/9 + 12/45 = 124/15
In mixed form: 84/15
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