Add 3/8 and 81/70
1st number: 3/8, 2nd number: 1 11/70
3/8 + 81/70 is 429/280.
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,
3/8 = 3 × 35/8 × 35 = 105/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
81/70 = 81 × 4/70 × 4 = 324/280 - Add the two like fractions:
105/280 + 324/280 = 105 + 324/280 = 429/280 - So, 3/8 + 81/70 = 429/280
In mixed form: 1149/280
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