Add 80/28 and 15/70
1st number: 2 24/28, 2nd number: 15/70
80/28 + 15/70 is 43/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
80/28 = 80 × 5/28 × 5 = 400/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
15/70 = 15 × 2/70 × 2 = 30/140 - Add the two like fractions:
400/140 + 30/140 = 400 + 30/140 = 430/140 - 430/140 simplified gives 43/14
- So, 80/28 + 15/70 = 43/14
In mixed form: 31/14
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