Add 81/32 and 40/20
1st number: 2 17/32, 2nd number: 2 0/20
81/32 + 40/20 is 145/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
81/32 = 81 × 5/32 × 5 = 405/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
40/20 = 40 × 8/20 × 8 = 320/160 - Add the two like fractions:
405/160 + 320/160 = 405 + 320/160 = 725/160 - 725/160 simplified gives 145/32
- So, 81/32 + 40/20 = 145/32
In mixed form: 417/32
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