Add 9/40 and 72/20
1st number: 9/40, 2nd number: 3 12/20
9/40 + 72/20 is 153/40.
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,
9/40 = 9 × 1/40 × 1 = 9/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
72/20 = 72 × 2/20 × 2 = 144/40 - Add the two like fractions:
9/40 + 144/40 = 9 + 144/40 = 153/40 - So, 9/40 + 72/20 = 153/40
In mixed form: 333/40
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