Add 20/80 and 45/56
20/80 + 45/56 is 59/56.
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,
20/80 = 20 × 7/80 × 7 = 140/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
45/56 = 45 × 10/56 × 10 = 450/560 - Add the two like fractions:
140/560 + 450/560 = 140 + 450/560 = 590/560 - 590/560 simplified gives 59/56
- So, 20/80 + 45/56 = 59/56
In mixed form: 13/56
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