Add 18/70 and 9/8
1st number: 18/70, 2nd number: 1 1/8
18/70 + 9/8 is 387/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
18/70 = 18 × 4/70 × 4 = 72/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
9/8 = 9 × 35/8 × 35 = 315/280 - Add the two like fractions:
72/280 + 315/280 = 72 + 315/280 = 387/280 - So, 18/70 + 9/8 = 387/280
In mixed form: 1107/280
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