Add 21/56 and 40/5
1st number: 21/56, 2nd number: 8 0/5
21/56 + 40/5 is 67/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
40/5 = 40 × 56/5 × 56 = 2240/280 - Add the two like fractions:
105/280 + 2240/280 = 105 + 2240/280 = 2345/280 - 2345/280 simplified gives 67/8
- So, 21/56 + 40/5 = 67/8
In mixed form: 83/8
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