Add 15/4 and 30/35
1st number: 3 3/4, 2nd number: 30/35
15/4 + 30/35 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
15/4 = 15 × 35/4 × 35 = 525/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
30/35 = 30 × 4/35 × 4 = 120/140 - Add the two like fractions:
525/140 + 120/140 = 525 + 120/140 = 645/140 - 645/140 simplified gives 129/28
- So, 15/4 + 30/35 = 129/28
In mixed form: 417/28
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