Add 81/40 and 48/20
1st number: 2 1/40, 2nd number: 2 8/20
81/40 + 48/20 is 177/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
81/40 = 81 × 1/40 × 1 = 81/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
48/20 = 48 × 2/20 × 2 = 96/40 - Add the two like fractions:
81/40 + 96/40 = 81 + 96/40 = 177/40 - So, 81/40 + 48/20 = 177/40
In mixed form: 417/40
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