Add 45/18 and 21/98
1st number: 2 9/18, 2nd number: 21/98
45/18 + 21/98 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
45/18 = 45 × 49/18 × 49 = 2205/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Add the two like fractions:
2205/882 + 189/882 = 2205 + 189/882 = 2394/882 - 2394/882 simplified gives 19/7
- So, 45/18 + 21/98 = 19/7
In mixed form: 25/7
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