Add 4/84 and 81/10
1st number: 4/84, 2nd number: 8 1/10
4/84 + 81/10 is 1711/210.
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,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
81/10 = 81 × 42/10 × 42 = 3402/420 - Add the two like fractions:
20/420 + 3402/420 = 20 + 3402/420 = 3422/420 - 3422/420 simplified gives 1711/210
- So, 4/84 + 81/10 = 1711/210
In mixed form: 831/210
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