Add 21/12 and 40/75
1st number: 1 9/12, 2nd number: 40/75
21/12 + 40/75 is 137/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
40/75 = 40 × 4/75 × 4 = 160/300 - Add the two like fractions:
525/300 + 160/300 = 525 + 160/300 = 685/300 - 685/300 simplified gives 137/60
- So, 21/12 + 40/75 = 137/60
In mixed form: 217/60
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