Add 35/20 and 63/18
1st number: 1 15/20, 2nd number: 3 9/18
35/20 + 63/18 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 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 18 × 10 = 180,
63/18 = 63 × 10/18 × 10 = 630/180 - Add the two like fractions:
315/180 + 630/180 = 315 + 630/180 = 945/180 - 945/180 simplified gives 21/4
- So, 35/20 + 63/18 = 21/4
In mixed form: 51/4
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