Add 54/56 and 70/75
54/56 + 70/75 is 797/420.
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,
70/75 = 70 × 56/75 × 56 = 3920/4200 - Add the two like fractions:
4050/4200 + 3920/4200 = 4050 + 3920/4200 = 7970/4200 - 7970/4200 simplified gives 797/420
- So, 54/56 + 70/75 = 797/420
In mixed form: 1377/420
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