Add 30/10 and 72/28
1st number: 3 0/10, 2nd number: 2 16/28
30/10 + 72/28 is 39/7.
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,
30/10 = 30 × 14/10 × 14 = 420/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Add the two like fractions:
420/140 + 360/140 = 420 + 360/140 = 780/140 - 780/140 simplified gives 39/7
- So, 30/10 + 72/28 = 39/7
In mixed form: 54/7
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