Add 20/16 and 15/90
1st number: 1 4/16, 2nd number: 15/90
20/16 + 15/90 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
20/16 = 20 × 45/16 × 45 = 900/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
15/90 = 15 × 8/90 × 8 = 120/720 - Add the two like fractions:
900/720 + 120/720 = 900 + 120/720 = 1020/720 - 1020/720 simplified gives 17/12
- So, 20/16 + 15/90 = 17/12
In mixed form: 15/12
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