Add 72/80 and 48/20
1st number: 72/80, 2nd number: 2 8/20
72/80 + 48/20 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
72/80 = 72 × 1/80 × 1 = 72/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
48/20 = 48 × 4/20 × 4 = 192/80 - Add the two like fractions:
72/80 + 192/80 = 72 + 192/80 = 264/80 - 264/80 simplified gives 33/10
- So, 72/80 + 48/20 = 33/10
In mixed form: 33/10
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