Add 90/20 and 18/64
1st number: 4 10/20, 2nd number: 18/64
90/20 + 18/64 is 153/32.
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,
18/64 = 18 × 5/64 × 5 = 90/320 - Add the two like fractions:
1440/320 + 90/320 = 1440 + 90/320 = 1530/320 - 1530/320 simplified gives 153/32
- So, 90/20 + 18/64 = 153/32
In mixed form: 425/32
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