Add 90/16 and 50/21
1st number: 5 10/16, 2nd number: 2 8/21
90/16 + 50/21 is 1345/168.
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,
50/21 = 50 × 16/21 × 16 = 800/336 - Add the two like fractions:
1890/336 + 800/336 = 1890 + 800/336 = 2690/336 - 2690/336 simplified gives 1345/168
- So, 90/16 + 50/21 = 1345/168
In mixed form: 81/168
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