Add 20/5 and 81/56
1st number: 4 0/5, 2nd number: 1 25/56
20/5 + 81/56 is 305/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
20/5 = 20 × 56/5 × 56 = 1120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
81/56 = 81 × 5/56 × 5 = 405/280 - Add the two like fractions:
1120/280 + 405/280 = 1120 + 405/280 = 1525/280 - 1525/280 simplified gives 305/56
- So, 20/5 + 81/56 = 305/56
In mixed form: 525/56
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