Add 20/56 and 54/80
20/56 + 54/80 is 289/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
20/56 = 20 × 10/56 × 10 = 200/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
54/80 = 54 × 7/80 × 7 = 378/560 - Add the two like fractions:
200/560 + 378/560 = 200 + 378/560 = 578/560 - 578/560 simplified gives 289/280
- So, 20/56 + 54/80 = 289/280
In mixed form: 19/280
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