Add 21/40 and 32/18
1st number: 21/40, 2nd number: 1 14/18
21/40 + 32/18 is 829/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
21/40 = 21 × 9/40 × 9 = 189/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
32/18 = 32 × 20/18 × 20 = 640/360 - Add the two like fractions:
189/360 + 640/360 = 189 + 640/360 = 829/360 - So, 21/40 + 32/18 = 829/360
In mixed form: 2109/360
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