Add 15/27 and 40/30
1st number: 15/27, 2nd number: 1 10/30
15/27 + 40/30 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
15/27 = 15 × 10/27 × 10 = 150/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
40/30 = 40 × 9/30 × 9 = 360/270 - Add the two like fractions:
150/270 + 360/270 = 150 + 360/270 = 510/270 - 510/270 simplified gives 17/9
- So, 15/27 + 40/30 = 17/9
In mixed form: 18/9
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