Add 21/3 and 40/25
1st number: 7 0/3, 2nd number: 1 15/25
21/3 + 40/25 is 43/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
21/3 = 21 × 25/3 × 25 = 525/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
40/25 = 40 × 3/25 × 3 = 120/75 - Add the two like fractions:
525/75 + 120/75 = 525 + 120/75 = 645/75 - 645/75 simplified gives 43/5
- So, 21/3 + 40/25 = 43/5
In mixed form: 83/5
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