Add 72/20 and 1/5
1st number: 3 12/20, 2nd number: 1/5
72/20 + 1/5 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
72/20 = 72 × 1/20 × 1 = 72/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
1/5 = 1 × 4/5 × 4 = 4/20 - Add the two like fractions:
72/20 + 4/20 = 72 + 4/20 = 76/20 - 76/20 simplified gives 19/5
- So, 72/20 + 1/5 = 19/5
In mixed form: 34/5
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