Add 90/3 and 70/63
1st number: 30 0/3, 2nd number: 1 7/63
90/3 + 70/63 is 280/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
90/3 = 90 × 21/3 × 21 = 1890/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
70/63 = 70 × 1/63 × 1 = 70/63 - Add the two like fractions:
1890/63 + 70/63 = 1890 + 70/63 = 1960/63 - 1960/63 simplified gives 280/9
- So, 90/3 + 70/63 = 280/9
In mixed form: 311/9
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