Add 72/16 and 45/40
1st number: 4 8/16, 2nd number: 1 5/40
72/16 + 45/40 is 45/8.
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,
45/40 = 45 × 2/40 × 2 = 90/80 - Add the two like fractions:
360/80 + 90/80 = 360 + 90/80 = 450/80 - 450/80 simplified gives 45/8
- So, 72/16 + 45/40 = 45/8
In mixed form: 55/8
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