Add 28/70 and 80/7
1st number: 28/70, 2nd number: 11 3/7
28/70 + 80/7 is 414/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
80/7 = 80 × 10/7 × 10 = 800/70 - Add the two like fractions:
28/70 + 800/70 = 28 + 800/70 = 828/70 - 828/70 simplified gives 414/35
- So, 28/70 + 80/7 = 414/35
In mixed form: 1129/35
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