Add 72/16 and 18/40
1st number: 4 8/16, 2nd number: 18/40
72/16 + 18/40 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
18/40 = 18 × 2/40 × 2 = 36/80 - Add the two like fractions:
360/80 + 36/80 = 360 + 36/80 = 396/80 - 396/80 simplified gives 99/20
- So, 72/16 + 18/40 = 99/20
In mixed form: 419/20
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