Add 90/5 and 20/16
1st number: 18 0/5, 2nd number: 1 4/16
90/5 + 20/16 is 77/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
90/5 = 90 × 16/5 × 16 = 1440/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Add the two like fractions:
1440/80 + 100/80 = 1440 + 100/80 = 1540/80 - 1540/80 simplified gives 77/4
- So, 90/5 + 20/16 = 77/4
In mixed form: 191/4
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