Add 40/16 and 90/18
1st number: 2 8/16, 2nd number: 5 0/18
40/16 + 90/18 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
40/16 = 40 × 9/16 × 9 = 360/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
90/18 = 90 × 8/18 × 8 = 720/144 - Add the two like fractions:
360/144 + 720/144 = 360 + 720/144 = 1080/144 - 1080/144 simplified gives 15/2
- So, 40/16 + 90/18 = 15/2
In mixed form: 71/2
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