Add 81/10 and 90/16
1st number: 8 1/10, 2nd number: 5 10/16
81/10 + 90/16 is 549/40.
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,
81/10 = 81 × 8/10 × 8 = 648/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
90/16 = 90 × 5/16 × 5 = 450/80 - Add the two like fractions:
648/80 + 450/80 = 648 + 450/80 = 1098/80 - 1098/80 simplified gives 549/40
- So, 81/10 + 90/16 = 549/40
In mixed form: 1329/40
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