Add 21/10 and 80/56
1st number: 2 1/10, 2nd number: 1 24/56
21/10 + 80/56 is 247/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
21/10 = 21 × 28/10 × 28 = 588/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
80/56 = 80 × 5/56 × 5 = 400/280 - Add the two like fractions:
588/280 + 400/280 = 588 + 400/280 = 988/280 - 988/280 simplified gives 247/70
- So, 21/10 + 80/56 = 247/70
In mixed form: 337/70
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