Add 30/63 and 90/7
1st number: 30/63, 2nd number: 12 6/7
30/63 + 90/7 is 40/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
30/63 = 30 × 1/63 × 1 = 30/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
90/7 = 90 × 9/7 × 9 = 810/63 - Add the two like fractions:
30/63 + 810/63 = 30 + 810/63 = 840/63 - 840/63 simplified gives 40/3
- So, 30/63 + 90/7 = 40/3
In mixed form: 131/3
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