Add 15/56 and 20/75
15/56 + 20/75 is 449/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 75 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 56 × 75 = 4200,
15/56 = 15 × 75/56 × 75 = 1125/4200 - Likewise, for the 2nd fraction, since 75 × 56 = 4200,
20/75 = 20 × 56/75 × 56 = 1120/4200 - Add the two like fractions:
1125/4200 + 1120/4200 = 1125 + 1120/4200 = 2245/4200 - 2245/4200 simplified gives 449/840
- So, 15/56 + 20/75 = 449/840
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