Add 2/25 and 81/21
1st number: 2/25, 2nd number: 3 18/21
2/25 + 81/21 is 689/175.
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,
2/25 = 2 × 21/25 × 21 = 42/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
81/21 = 81 × 25/21 × 25 = 2025/525 - Add the two like fractions:
42/525 + 2025/525 = 42 + 2025/525 = 2067/525 - 2067/525 simplified gives 689/175
- So, 2/25 + 81/21 = 689/175
In mixed form: 3164/175
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