Add 1/75 and 72/21
1st number: 1/75, 2nd number: 3 9/21
1/75 + 72/21 is 1807/525.
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,
1/75 = 1 × 7/75 × 7 = 7/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
72/21 = 72 × 25/21 × 25 = 1800/525 - Add the two like fractions:
7/525 + 1800/525 = 7 + 1800/525 = 1807/525 - So, 1/75 + 72/21 = 1807/525
In mixed form: 3232/525
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