Add 80/2 and 21/40
1st number: 40 0/2, 2nd number: 21/40
80/2 + 21/40 is 1621/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
80/2 = 80 × 20/2 × 20 = 1600/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
21/40 = 21 × 1/40 × 1 = 21/40 - Add the two like fractions:
1600/40 + 21/40 = 1600 + 21/40 = 1621/40 - So, 80/2 + 21/40 = 1621/40
In mixed form: 4021/40
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