Add 72/63 and 5/30
1st number: 1 9/63, 2nd number: 5/30
72/63 + 5/30 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
5/30 = 5 × 21/30 × 21 = 105/630 - Add the two like fractions:
720/630 + 105/630 = 720 + 105/630 = 825/630 - 825/630 simplified gives 55/42
- So, 72/63 + 5/30 = 55/42
In mixed form: 113/42
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