Add 12/70 and 63/20
1st number: 12/70, 2nd number: 3 3/20
12/70 + 63/20 is 93/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
12/70 = 12 × 2/70 × 2 = 24/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Add the two like fractions:
24/140 + 441/140 = 24 + 441/140 = 465/140 - 465/140 simplified gives 93/28
- So, 12/70 + 63/20 = 93/28
In mixed form: 39/28
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