Add 21/27 and 40/16
1st number: 21/27, 2nd number: 2 8/16
21/27 + 40/16 is 59/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
21/27 = 21 × 16/27 × 16 = 336/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
40/16 = 40 × 27/16 × 27 = 1080/432 - Add the two like fractions:
336/432 + 1080/432 = 336 + 1080/432 = 1416/432 - 1416/432 simplified gives 59/18
- So, 21/27 + 40/16 = 59/18
In mixed form: 35/18
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