Add 72/7 and 1/90
1st number: 10 2/7, 2nd number: 1/90
72/7 + 1/90 is 6487/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
72/7 = 72 × 90/7 × 90 = 6480/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Add the two like fractions:
6480/630 + 7/630 = 6480 + 7/630 = 6487/630 - So, 72/7 + 1/90 = 6487/630
In mixed form: 10187/630
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