Add 21/27 and 18/16
1st number: 21/27, 2nd number: 1 2/16
21/27 + 18/16 is 137/72.
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,
18/16 = 18 × 27/16 × 27 = 486/432 - Add the two like fractions:
336/432 + 486/432 = 336 + 486/432 = 822/432 - 822/432 simplified gives 137/72
- So, 21/27 + 18/16 = 137/72
In mixed form: 165/72
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