Add 40/28 and 30/10
1st number: 1 12/28, 2nd number: 3 0/10
40/28 + 30/10 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
30/10 = 30 × 14/10 × 14 = 420/140 - Add the two like fractions:
200/140 + 420/140 = 200 + 420/140 = 620/140 - 620/140 simplified gives 31/7
- So, 40/28 + 30/10 = 31/7
In mixed form: 43/7
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