Add 81/20 and 30/32
1st number: 4 1/20, 2nd number: 30/32
81/20 + 30/32 is 399/80.
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,
81/20 = 81 × 8/20 × 8 = 648/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
30/32 = 30 × 5/32 × 5 = 150/160 - Add the two like fractions:
648/160 + 150/160 = 648 + 150/160 = 798/160 - 798/160 simplified gives 399/80
- So, 81/20 + 30/32 = 399/80
In mixed form: 479/80
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