Add 1/84 and 45/20
1st number: 1/84, 2nd number: 2 5/20
1/84 + 45/20 is 95/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
45/20 = 45 × 21/20 × 21 = 945/420 - Add the two like fractions:
5/420 + 945/420 = 5 + 945/420 = 950/420 - 950/420 simplified gives 95/42
- So, 1/84 + 45/20 = 95/42
In mixed form: 211/42
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