Add 81/20 and 5/4
1st number: 4 1/20, 2nd number: 1 1/4
81/20 + 5/4 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
81/20 = 81 × 1/20 × 1 = 81/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
5/4 = 5 × 5/4 × 5 = 25/20 - Add the two like fractions:
81/20 + 25/20 = 81 + 25/20 = 106/20 - 106/20 simplified gives 53/10
- So, 81/20 + 5/4 = 53/10
In mixed form: 53/10
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