Add 64/21 and 3/54
1st number: 3 1/21, 2nd number: 3/54
64/21 + 3/54 is 391/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
64/21 = 64 × 18/21 × 18 = 1152/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378 - Add the two like fractions:
1152/378 + 21/378 = 1152 + 21/378 = 1173/378 - 1173/378 simplified gives 391/126
- So, 64/21 + 3/54 = 391/126
In mixed form: 313/126
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