Add 90/6 and 81/70
1st number: 15 0/6, 2nd number: 1 11/70
90/6 + 81/70 is 1131/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
90/6 = 90 × 35/6 × 35 = 3150/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
81/70 = 81 × 3/70 × 3 = 243/210 - Add the two like fractions:
3150/210 + 243/210 = 3150 + 243/210 = 3393/210 - 3393/210 simplified gives 1131/70
- So, 90/6 + 81/70 = 1131/70
In mixed form: 1611/70
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