Add 1/25 and 72/21
1st number: 1/25, 2nd number: 3 9/21
1/25 + 72/21 is 607/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
1/25 = 1 × 21/25 × 21 = 21/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
72/21 = 72 × 25/21 × 25 = 1800/525 - Add the two like fractions:
21/525 + 1800/525 = 21 + 1800/525 = 1821/525 - 1821/525 simplified gives 607/175
- So, 1/25 + 72/21 = 607/175
In mixed form: 382/175
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