Add 72/4 and 20/80
1st number: 18 0/4, 2nd number: 20/80
72/4 + 20/80 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
72/4 = 72 × 20/4 × 20 = 1440/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
1440/80 + 20/80 = 1440 + 20/80 = 1460/80 - 1460/80 simplified gives 73/4
- So, 72/4 + 20/80 = 73/4
In mixed form: 181/4
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