Add 20/50 and 15/84
20/50 + 15/84 is 81/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 50 × 42 = 2100,
20/50 = 20 × 42/50 × 42 = 840/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
15/84 = 15 × 25/84 × 25 = 375/2100 - Add the two like fractions:
840/2100 + 375/2100 = 840 + 375/2100 = 1215/2100 - 1215/2100 simplified gives 81/140
- So, 20/50 + 15/84 = 81/140
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