Add 5/7 and 30/9
1st number: 5/7, 2nd number: 3 3/9
5/7 + 30/9 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
5/7 = 5 × 9/7 × 9 = 45/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
30/9 = 30 × 7/9 × 7 = 210/63 - Add the two like fractions:
45/63 + 210/63 = 45 + 210/63 = 255/63 - 255/63 simplified gives 85/21
- So, 5/7 + 30/9 = 85/21
In mixed form: 41/21
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