Add 4/21 and 64/10
1st number: 4/21, 2nd number: 6 4/10
4/21 + 64/10 is 692/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
4/21 = 4 × 10/21 × 10 = 40/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
64/10 = 64 × 21/10 × 21 = 1344/210 - Add the two like fractions:
40/210 + 1344/210 = 40 + 1344/210 = 1384/210 - 1384/210 simplified gives 692/105
- So, 4/21 + 64/10 = 692/105
In mixed form: 662/105
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