Add 12/75 and 63/21
1st number: 12/75, 2nd number: 3 0/21
12/75 + 63/21 is 79/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
12/75 = 12 × 7/75 × 7 = 84/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
63/21 = 63 × 25/21 × 25 = 1575/525 - Add the two like fractions:
84/525 + 1575/525 = 84 + 1575/525 = 1659/525 - 1659/525 simplified gives 79/25
- So, 12/75 + 63/21 = 79/25
In mixed form: 34/25
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