Add 7/70 and 81/8
1st number: 7/70, 2nd number: 10 1/8
7/70 + 81/8 is 409/40.
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,
7/70 = 7 × 4/70 × 4 = 28/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
81/8 = 81 × 35/8 × 35 = 2835/280 - Add the two like fractions:
28/280 + 2835/280 = 28 + 2835/280 = 2863/280 - 2863/280 simplified gives 409/40
- So, 7/70 + 81/8 = 409/40
In mixed form: 109/40
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