Add 18/5 and 20/70
1st number: 3 3/5, 2nd number: 20/70
18/5 + 20/70 is 136/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
18/5 = 18 × 14/5 × 14 = 252/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Add the two like fractions:
252/70 + 20/70 = 252 + 20/70 = 272/70 - 272/70 simplified gives 136/35
- So, 18/5 + 20/70 = 136/35
In mixed form: 331/35
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