Add 25/10 and 21/98
1st number: 2 5/10, 2nd number: 21/98
25/10 + 21/98 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
25/10 = 25 × 49/10 × 49 = 1225/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Add the two like fractions:
1225/490 + 105/490 = 1225 + 105/490 = 1330/490 - 1330/490 simplified gives 19/7
- So, 25/10 + 21/98 = 19/7
In mixed form: 25/7
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