Add 20/16 and 15/45
1st number: 1 4/16, 2nd number: 15/45
20/16 + 15/45 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 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 45 × 16 = 720,
15/45 = 15 × 16/45 × 16 = 240/720 - Add the two like fractions:
900/720 + 240/720 = 900 + 240/720 = 1140/720 - 1140/720 simplified gives 19/12
- So, 20/16 + 15/45 = 19/12
In mixed form: 17/12
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