Add 15/70 and 9/5
1st number: 15/70, 2nd number: 1 4/5
15/70 + 9/5 is 141/70.
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,
15/70 = 15 × 1/70 × 1 = 15/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
9/5 = 9 × 14/5 × 14 = 126/70 - Add the two like fractions:
15/70 + 126/70 = 15 + 126/70 = 141/70 - So, 15/70 + 9/5 = 141/70
In mixed form: 21/70
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