Add 54/56 and 4/20
54/56 + 4/20 is 163/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
4/20 = 4 × 14/20 × 14 = 56/280 - Add the two like fractions:
270/280 + 56/280 = 270 + 56/280 = 326/280 - 326/280 simplified gives 163/140
- So, 54/56 + 4/20 = 163/140
In mixed form: 123/140
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