Add 21/10 and 8/42
1st number: 2 1/10, 2nd number: 8/42
21/10 + 8/42 is 481/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
21/10 = 21 × 21/10 × 21 = 441/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Add the two like fractions:
441/210 + 40/210 = 441 + 40/210 = 481/210 - So, 21/10 + 8/42 = 481/210
In mixed form: 261/210
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