Add 90/20 and 84/64
1st number: 4 10/20, 2nd number: 1 20/64
90/20 + 84/64 is 93/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
90/20 = 90 × 16/20 × 16 = 1440/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
84/64 = 84 × 5/64 × 5 = 420/320 - Add the two like fractions:
1440/320 + 420/320 = 1440 + 420/320 = 1860/320 - 1860/320 simplified gives 93/16
- So, 90/20 + 84/64 = 93/16
In mixed form: 513/16
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