Add 12/20 and 1/84
12/20 + 1/84 is 257/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
12/20 = 12 × 21/20 × 21 = 252/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Add the two like fractions:
252/420 + 5/420 = 252 + 5/420 = 257/420 - So, 12/20 + 1/84 = 257/420
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