Add 54/56 and 15/75
54/56 + 15/75 is 163/140.
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,
54/56 = 54 × 75/56 × 75 = 4050/4200 - Likewise, for the 2nd fraction, since 75 × 56 = 4200,
15/75 = 15 × 56/75 × 56 = 840/4200 - Add the two like fractions:
4050/4200 + 840/4200 = 4050 + 840/4200 = 4890/4200 - 4890/4200 simplified gives 163/140
- So, 54/56 + 15/75 = 163/140
In mixed form: 123/140
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