Add 90/12 and 81/64
1st number: 7 6/12, 2nd number: 1 17/64
90/12 + 81/64 is 561/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 12 × 16 = 192,
90/12 = 90 × 16/12 × 16 = 1440/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
81/64 = 81 × 3/64 × 3 = 243/192 - Add the two like fractions:
1440/192 + 243/192 = 1440 + 243/192 = 1683/192 - 1683/192 simplified gives 561/64
- So, 90/12 + 81/64 = 561/64
In mixed form: 849/64
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