Add 9/20 and 81/32
1st number: 9/20, 2nd number: 2 17/32
9/20 + 81/32 is 477/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
9/20 = 9 × 8/20 × 8 = 72/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
81/32 = 81 × 5/32 × 5 = 405/160 - Add the two like fractions:
72/160 + 405/160 = 72 + 405/160 = 477/160 - So, 9/20 + 81/32 = 477/160
In mixed form: 2157/160
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