Add 98/21 and 25/90
1st number: 4 14/21, 2nd number: 25/90
98/21 + 25/90 is 89/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 21 × 30 = 630,
98/21 = 98 × 30/21 × 30 = 2940/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
25/90 = 25 × 7/90 × 7 = 175/630 - Add the two like fractions:
2940/630 + 175/630 = 2940 + 175/630 = 3115/630 - 3115/630 simplified gives 89/18
- So, 98/21 + 25/90 = 89/18
In mixed form: 417/18
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