Add 30/21 and 70/75
1st number: 1 9/21, 2nd number: 70/75
30/21 + 70/75 is 248/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
30/21 = 30 × 25/21 × 25 = 750/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
70/75 = 70 × 7/75 × 7 = 490/525 - Add the two like fractions:
750/525 + 490/525 = 750 + 490/525 = 1240/525 - 1240/525 simplified gives 248/105
- So, 30/21 + 70/75 = 248/105
In mixed form: 238/105
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