Add 84/7 and 20/80
1st number: 12 0/7, 2nd number: 20/80
84/7 + 20/80 is 49/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
84/7 = 84 × 80/7 × 80 = 6720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Add the two like fractions:
6720/560 + 140/560 = 6720 + 140/560 = 6860/560 - 6860/560 simplified gives 49/4
- So, 84/7 + 20/80 = 49/4
In mixed form: 121/4
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