Add 40/10 and 12/28
1st number: 4 0/10, 2nd number: 12/28
40/10 + 12/28 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
40/10 = 40 × 14/10 × 14 = 560/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Add the two like fractions:
560/140 + 60/140 = 560 + 60/140 = 620/140 - 620/140 simplified gives 31/7
- So, 40/10 + 12/28 = 31/7
In mixed form: 43/7
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