Add 54/70 and 9/18
54/70 + 9/18 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
54/70 = 54 × 9/70 × 9 = 486/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
9/18 = 9 × 35/18 × 35 = 315/630 - Add the two like fractions:
486/630 + 315/630 = 486 + 315/630 = 801/630 - 801/630 simplified gives 89/70
- So, 54/70 + 9/18 = 89/70
In mixed form: 119/70
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