Add 21/27 and 15/10
1st number: 21/27, 2nd number: 1 5/10
21/27 + 15/10 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
21/27 = 21 × 10/27 × 10 = 210/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
15/10 = 15 × 27/10 × 27 = 405/270 - Add the two like fractions:
210/270 + 405/270 = 210 + 405/270 = 615/270 - 615/270 simplified gives 41/18
- So, 21/27 + 15/10 = 41/18
In mixed form: 25/18
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