Add 5/15 and 40/45
5/15 + 40/45 is 11/9.
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,
5/15 = 5 × 3/15 × 3 = 15/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
40/45 = 40 × 1/45 × 1 = 40/45 - Add the two like fractions:
15/45 + 40/45 = 15 + 40/45 = 55/45 - 55/45 simplified gives 11/9
- So, 5/15 + 40/45 = 11/9
In mixed form: 12/9
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