Add 12/70 and 30/28
1st number: 12/70, 2nd number: 1 2/28
12/70 + 30/28 is 87/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 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 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Add the two like fractions:
24/140 + 150/140 = 24 + 150/140 = 174/140 - 174/140 simplified gives 87/70
- So, 12/70 + 30/28 = 87/70
In mixed form: 117/70
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