Add 90/10 and 21/16
1st number: 9 0/10, 2nd number: 1 5/16
90/10 + 21/16 is 165/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
90/10 = 90 × 8/10 × 8 = 720/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Add the two like fractions:
720/80 + 105/80 = 720 + 105/80 = 825/80 - 825/80 simplified gives 165/16
- So, 90/10 + 21/16 = 165/16
In mixed form: 105/16
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