Add 40/5 and 72/16
1st number: 8 0/5, 2nd number: 4 8/16
40/5 + 72/16 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
40/5 = 40 × 16/5 × 16 = 640/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Add the two like fractions:
640/80 + 360/80 = 640 + 360/80 = 1000/80 - 1000/80 simplified gives 25/2
- So, 40/5 + 72/16 = 25/2
In mixed form: 121/2
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