Add 64/10 and 21/54
1st number: 6 4/10, 2nd number: 21/54
64/10 + 21/54 is 611/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
64/10 = 64 × 27/10 × 27 = 1728/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Add the two like fractions:
1728/270 + 105/270 = 1728 + 105/270 = 1833/270 - 1833/270 simplified gives 611/90
- So, 64/10 + 21/54 = 611/90
In mixed form: 671/90
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