Add 15/30 and 45/27
1st number: 15/30, 2nd number: 1 18/27
15/30 + 45/27 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
15/30 = 15 × 9/30 × 9 = 135/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
45/27 = 45 × 10/27 × 10 = 450/270 - Add the two like fractions:
135/270 + 450/270 = 135 + 450/270 = 585/270 - 585/270 simplified gives 13/6
- So, 15/30 + 45/27 = 13/6
In mixed form: 21/6
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