Add 45/70 and 18/5
1st number: 45/70, 2nd number: 3 3/5
45/70 + 18/5 is 297/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
18/5 = 18 × 14/5 × 14 = 252/70 - Add the two like fractions:
45/70 + 252/70 = 45 + 252/70 = 297/70 - So, 45/70 + 18/5 = 297/70
In mixed form: 417/70
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