Add 1/20 and 72/5
1st number: 1/20, 2nd number: 14 2/5
1/20 + 72/5 is 289/20.
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,
1/20 = 1 × 1/20 × 1 = 1/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
72/5 = 72 × 4/5 × 4 = 288/20 - Add the two like fractions:
1/20 + 288/20 = 1 + 288/20 = 289/20 - So, 1/20 + 72/5 = 289/20
In mixed form: 149/20
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