Add 21/10 and 49/18
1st number: 2 1/10, 2nd number: 2 13/18
21/10 + 49/18 is 217/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
21/10 = 21 × 9/10 × 9 = 189/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
49/18 = 49 × 5/18 × 5 = 245/90 - Add the two like fractions:
189/90 + 245/90 = 189 + 245/90 = 434/90 - 434/90 simplified gives 217/45
- So, 21/10 + 49/18 = 217/45
In mixed form: 437/45
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