Add 72/7 and 2/90
1st number: 10 2/7, 2nd number: 2/90
72/7 + 2/90 is 3247/315.
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,
2/90 = 2 × 7/90 × 7 = 14/630 - Add the two like fractions:
6480/630 + 14/630 = 6480 + 14/630 = 6494/630 - 6494/630 simplified gives 3247/315
- So, 72/7 + 2/90 = 3247/315
In mixed form: 1097/315
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