Add 21/5 and 56/40
1st number: 4 1/5, 2nd number: 1 16/40
21/5 + 56/40 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
21/5 = 21 × 8/5 × 8 = 168/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
56/40 = 56 × 1/40 × 1 = 56/40 - Add the two like fractions:
168/40 + 56/40 = 168 + 56/40 = 224/40 - 224/40 simplified gives 28/5
- So, 21/5 + 56/40 = 28/5
In mixed form: 53/5
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