Add 15/28 and 30/35
15/28 + 30/35 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
30/35 = 30 × 4/35 × 4 = 120/140 - Add the two like fractions:
75/140 + 120/140 = 75 + 120/140 = 195/140 - 195/140 simplified gives 39/28
- So, 15/28 + 30/35 = 39/28
In mixed form: 111/28
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