Add 81/64 and 56/20
1st number: 1 17/64, 2nd number: 2 16/20
81/64 + 56/20 is 1301/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
81/64 = 81 × 5/64 × 5 = 405/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
56/20 = 56 × 16/20 × 16 = 896/320 - Add the two like fractions:
405/320 + 896/320 = 405 + 896/320 = 1301/320 - So, 81/64 + 56/20 = 1301/320
In mixed form: 421/320
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