Add 15/70 and 90/8
1st number: 15/70, 2nd number: 11 2/8
15/70 + 90/8 is 321/28.
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,
15/70 = 15 × 4/70 × 4 = 60/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
90/8 = 90 × 35/8 × 35 = 3150/280 - Add the two like fractions:
60/280 + 3150/280 = 60 + 3150/280 = 3210/280 - 3210/280 simplified gives 321/28
- So, 15/70 + 90/8 = 321/28
In mixed form: 1113/28
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