Add 15/5 and 20/45
1st number: 3 0/5, 2nd number: 20/45
15/5 + 20/45 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
15/5 = 15 × 9/5 × 9 = 135/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Add the two like fractions:
135/45 + 20/45 = 135 + 20/45 = 155/45 - 155/45 simplified gives 31/9
- So, 15/5 + 20/45 = 31/9
In mixed form: 34/9
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