Add 27/80 and 45/56
27/80 + 45/56 is 639/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
27/80 = 27 × 7/80 × 7 = 189/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
45/56 = 45 × 10/56 × 10 = 450/560 - Add the two like fractions:
189/560 + 450/560 = 189 + 450/560 = 639/560 - So, 27/80 + 45/56 = 639/560
In mixed form: 179/560
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