Add 15/4 and 28/70
1st number: 3 3/4, 2nd number: 28/70
15/4 + 28/70 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 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 70 × 2 = 140,
28/70 = 28 × 2/70 × 2 = 56/140 - Add the two like fractions:
525/140 + 56/140 = 525 + 56/140 = 581/140 - 581/140 simplified gives 83/20
- So, 15/4 + 28/70 = 83/20
In mixed form: 43/20
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