Add 12/40 and 35/28
1st number: 12/40, 2nd number: 1 7/28
12/40 + 35/28 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
35/28 = 35 × 10/28 × 10 = 350/280 - Add the two like fractions:
84/280 + 350/280 = 84 + 350/280 = 434/280 - 434/280 simplified gives 31/20
- So, 12/40 + 35/28 = 31/20
In mixed form: 111/20
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