Add 18/16 and 9/15
1st number: 1 2/16, 2nd number: 9/15
18/16 + 9/15 is 69/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
9/15 = 9 × 16/15 × 16 = 144/240 - Add the two like fractions:
270/240 + 144/240 = 270 + 144/240 = 414/240 - 414/240 simplified gives 69/40
- So, 18/16 + 9/15 = 69/40
In mixed form: 129/40
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