Add 5/40 and 72/20
1st number: 5/40, 2nd number: 3 12/20
5/40 + 72/20 is 149/40.
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,
5/40 = 5 × 1/40 × 1 = 5/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
72/20 = 72 × 2/20 × 2 = 144/40 - Add the two like fractions:
5/40 + 144/40 = 5 + 144/40 = 149/40 - So, 5/40 + 72/20 = 149/40
In mixed form: 329/40
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