Add 20/80 and 6/7
20/80 + 6/7 is 31/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 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 7 × 80 = 560,
6/7 = 6 × 80/7 × 80 = 480/560 - Add the two like fractions:
140/560 + 480/560 = 140 + 480/560 = 620/560 - 620/560 simplified gives 31/28
- So, 20/80 + 6/7 = 31/28
In mixed form: 13/28
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