Add 80/18 and 4/40
1st number: 4 8/18, 2nd number: 4/40
80/18 + 4/40 is 409/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
80/18 = 80 × 20/18 × 20 = 1600/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Add the two like fractions:
1600/360 + 36/360 = 1600 + 36/360 = 1636/360 - 1636/360 simplified gives 409/90
- So, 80/18 + 4/40 = 409/90
In mixed form: 449/90
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