Add 12/4 and 20/70
1st number: 3 0/4, 2nd number: 20/70
12/4 + 20/70 is 23/7.
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,
12/4 = 12 × 35/4 × 35 = 420/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
20/70 = 20 × 2/70 × 2 = 40/140 - Add the two like fractions:
420/140 + 40/140 = 420 + 40/140 = 460/140 - 460/140 simplified gives 23/7
- So, 12/4 + 20/70 = 23/7
In mixed form: 32/7
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