Add 90/16 and 18/21
1st number: 5 10/16, 2nd number: 18/21
90/16 + 18/21 is 363/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
90/16 = 90 × 21/16 × 21 = 1890/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
18/21 = 18 × 16/21 × 16 = 288/336 - Add the two like fractions:
1890/336 + 288/336 = 1890 + 288/336 = 2178/336 - 2178/336 simplified gives 363/56
- So, 90/16 + 18/21 = 363/56
In mixed form: 627/56
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