Add 15/40 and 81/64
1st number: 15/40, 2nd number: 1 17/64
15/40 + 81/64 is 105/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 40 × 8 = 320,
15/40 = 15 × 8/40 × 8 = 120/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
81/64 = 81 × 5/64 × 5 = 405/320 - Add the two like fractions:
120/320 + 405/320 = 120 + 405/320 = 525/320 - 525/320 simplified gives 105/64
- So, 15/40 + 81/64 = 105/64
In mixed form: 141/64
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