Add 20/40 and 30/28
1st number: 20/40, 2nd number: 1 2/28
20/40 + 30/28 is 11/7.
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,
20/40 = 20 × 7/40 × 7 = 140/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
30/28 = 30 × 10/28 × 10 = 300/280 - Add the two like fractions:
140/280 + 300/280 = 140 + 300/280 = 440/280 - 440/280 simplified gives 11/7
- So, 20/40 + 30/28 = 11/7
In mixed form: 14/7
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