Add 15/9 and 20/40
1st number: 1 6/9, 2nd number: 20/40
15/9 + 20/40 is 13/6.
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,
15/9 = 15 × 40/9 × 40 = 600/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Add the two like fractions:
600/360 + 180/360 = 600 + 180/360 = 780/360 - 780/360 simplified gives 13/6
- So, 15/9 + 20/40 = 13/6
In mixed form: 21/6
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