Add 72/63 and 3/90
1st number: 1 9/63, 2nd number: 3/90
72/63 + 3/90 is 247/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 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 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Add the two like fractions:
720/630 + 21/630 = 720 + 21/630 = 741/630 - 741/630 simplified gives 247/210
- So, 72/63 + 3/90 = 247/210
In mixed form: 137/210
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