Add 20/75 and 98/21
1st number: 20/75, 2nd number: 4 14/21
20/75 + 98/21 is 74/15.
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,
20/75 = 20 × 7/75 × 7 = 140/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
98/21 = 98 × 25/21 × 25 = 2450/525 - Add the two like fractions:
140/525 + 2450/525 = 140 + 2450/525 = 2590/525 - 2590/525 simplified gives 74/15
- So, 20/75 + 98/21 = 74/15
In mixed form: 414/15
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