Add 81/70 and 45/8
1st number: 1 11/70, 2nd number: 5 5/8
81/70 + 45/8 is 1899/280.
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,
81/70 = 81 × 4/70 × 4 = 324/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
45/8 = 45 × 35/8 × 35 = 1575/280 - Add the two like fractions:
324/280 + 1575/280 = 324 + 1575/280 = 1899/280 - So, 81/70 + 45/8 = 1899/280
In mixed form: 6219/280
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