Add 90/70 and 90/6
1st number: 1 20/70, 2nd number: 15 0/6
90/70 + 90/6 is 114/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
90/6 = 90 × 35/6 × 35 = 3150/210 - Add the two like fractions:
270/210 + 3150/210 = 270 + 3150/210 = 3420/210 - 3420/210 simplified gives 114/7
- So, 90/70 + 90/6 = 114/7
In mixed form: 162/7
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