Add 28/70 and 12/4
1st number: 28/70, 2nd number: 3 0/4
28/70 + 12/4 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
28/70 = 28 × 2/70 × 2 = 56/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
12/4 = 12 × 35/4 × 35 = 420/140 - Add the two like fractions:
56/140 + 420/140 = 56 + 420/140 = 476/140 - 476/140 simplified gives 17/5
- So, 28/70 + 12/4 = 17/5
In mixed form: 32/5
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