Add 18/9 and 8/40
1st number: 2 0/9, 2nd number: 8/40
18/9 + 8/40 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
18/9 = 18 × 40/9 × 40 = 720/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Add the two like fractions:
720/360 + 72/360 = 720 + 72/360 = 792/360 - 792/360 simplified gives 11/5
- So, 18/9 + 8/40 = 11/5
In mixed form: 21/5
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