Add 54/6 and 90/70
1st number: 9 0/6, 2nd number: 1 20/70
54/6 + 90/70 is 72/7.
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,
54/6 = 54 × 35/6 × 35 = 1890/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
1890/210 + 270/210 = 1890 + 270/210 = 2160/210 - 2160/210 simplified gives 72/7
- So, 54/6 + 90/70 = 72/7
In mixed form: 102/7
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