Add 35/20 and 21/9
1st number: 1 15/20, 2nd number: 2 3/9
35/20 + 21/9 is 49/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
21/9 = 21 × 20/9 × 20 = 420/180 - Add the two like fractions:
315/180 + 420/180 = 315 + 420/180 = 735/180 - 735/180 simplified gives 49/12
- So, 35/20 + 21/9 = 49/12
In mixed form: 41/12
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