Add 63/3 and 90/70
1st number: 21 0/3, 2nd number: 1 20/70
63/3 + 90/70 is 156/7.
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,
63/3 = 63 × 70/3 × 70 = 4410/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
4410/210 + 270/210 = 4410 + 270/210 = 4680/210 - 4680/210 simplified gives 156/7
- So, 63/3 + 90/70 = 156/7
In mixed form: 222/7
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