Add 20/56 and 70/80
20/56 + 70/80 is 69/56.
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,
70/80 = 70 × 7/80 × 7 = 490/560 - Add the two like fractions:
200/560 + 490/560 = 200 + 490/560 = 690/560 - 690/560 simplified gives 69/56
- So, 20/56 + 70/80 = 69/56
In mixed form: 113/56
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