Add 21/30 and 27/16
1st number: 21/30, 2nd number: 1 11/16
21/30 + 27/16 is 191/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
27/16 = 27 × 15/16 × 15 = 405/240 - Add the two like fractions:
168/240 + 405/240 = 168 + 405/240 = 573/240 - 573/240 simplified gives 191/80
- So, 21/30 + 27/16 = 191/80
In mixed form: 231/80
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