Add 80/7 and 20/60
1st number: 11 3/7, 2nd number: 20/60
80/7 + 20/60 is 247/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
80/7 = 80 × 60/7 × 60 = 4800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Add the two like fractions:
4800/420 + 140/420 = 4800 + 140/420 = 4940/420 - 4940/420 simplified gives 247/21
- So, 80/7 + 20/60 = 247/21
In mixed form: 1116/21
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