Add 21/27 and 12/10
1st number: 21/27, 2nd number: 1 2/10
21/27 + 12/10 is 89/45.
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,
12/10 = 12 × 27/10 × 27 = 324/270 - Add the two like fractions:
210/270 + 324/270 = 210 + 324/270 = 534/270 - 534/270 simplified gives 89/45
- So, 21/27 + 12/10 = 89/45
In mixed form: 144/45
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