Add 35/21 and 90/25
1st number: 1 14/21, 2nd number: 3 15/25
35/21 + 90/25 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
35/21 = 35 × 25/21 × 25 = 875/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
90/25 = 90 × 21/25 × 21 = 1890/525 - Add the two like fractions:
875/525 + 1890/525 = 875 + 1890/525 = 2765/525 - 2765/525 simplified gives 79/15
- So, 35/21 + 90/25 = 79/15
In mixed form: 54/15
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