Add 54/3 and 90/70
1st number: 18 0/3, 2nd number: 1 20/70
54/3 + 90/70 is 135/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
54/3 = 54 × 70/3 × 70 = 3780/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
3780/210 + 270/210 = 3780 + 270/210 = 4050/210 - 4050/210 simplified gives 135/7
- So, 54/3 + 90/70 = 135/7
In mixed form: 192/7
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