Add 21/20 and 40/12
1st number: 1 1/20, 2nd number: 3 4/12
21/20 + 40/12 is 263/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Add the two like fractions:
63/60 + 200/60 = 63 + 200/60 = 263/60 - So, 21/20 + 40/12 = 263/60
In mixed form: 423/60
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