Add 84/8 and 15/70
1st number: 10 4/8, 2nd number: 15/70
84/8 + 15/70 is 75/7.
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,
84/8 = 84 × 35/8 × 35 = 2940/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
15/70 = 15 × 4/70 × 4 = 60/280 - Add the two like fractions:
2940/280 + 60/280 = 2940 + 60/280 = 3000/280 - 3000/280 simplified gives 75/7
- So, 84/8 + 15/70 = 75/7
In mixed form: 105/7
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