Add 15/10 and 30/28
1st number: 1 5/10, 2nd number: 1 2/28
15/10 + 30/28 is 18/7.
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,
15/10 = 15 × 14/10 × 14 = 210/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Add the two like fractions:
210/140 + 150/140 = 210 + 150/140 = 360/140 - 360/140 simplified gives 18/7
- So, 15/10 + 30/28 = 18/7
In mixed form: 24/7
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