Add 16/20 and 15/45
16/20 + 15/45 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
16/20 = 16 × 9/20 × 9 = 144/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Add the two like fractions:
144/180 + 60/180 = 144 + 60/180 = 204/180 - 204/180 simplified gives 17/15
- So, 16/20 + 15/45 = 17/15
In mixed form: 12/15
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