Add 84/40 and 20/84
1st number: 2 4/40, 2nd number: 20/84
84/40 + 20/84 is 491/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
84/40 = 84 × 21/40 × 21 = 1764/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
20/84 = 20 × 10/84 × 10 = 200/840 - Add the two like fractions:
1764/840 + 200/840 = 1764 + 200/840 = 1964/840 - 1964/840 simplified gives 491/210
- So, 84/40 + 20/84 = 491/210
In mixed form: 271/210
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