Add 18/8 and 81/70
1st number: 2 2/8, 2nd number: 1 11/70
18/8 + 81/70 is 477/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
81/70 = 81 × 4/70 × 4 = 324/280 - Add the two like fractions:
630/280 + 324/280 = 630 + 324/280 = 954/280 - 954/280 simplified gives 477/140
- So, 18/8 + 81/70 = 477/140
In mixed form: 357/140
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