Add 21/27 and 75/10
1st number: 21/27, 2nd number: 7 5/10
21/27 + 75/10 is 149/18.
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,
75/10 = 75 × 27/10 × 27 = 2025/270 - Add the two like fractions:
210/270 + 2025/270 = 210 + 2025/270 = 2235/270 - 2235/270 simplified gives 149/18
- So, 21/27 + 75/10 = 149/18
In mixed form: 85/18
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