Add 8/84 and 21/10
1st number: 8/84, 2nd number: 2 1/10
8/84 + 21/10 is 461/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
21/10 = 21 × 42/10 × 42 = 882/420 - Add the two like fractions:
40/420 + 882/420 = 40 + 882/420 = 922/420 - 922/420 simplified gives 461/210
- So, 8/84 + 21/10 = 461/210
In mixed form: 241/210
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