Add 20/7 and 25/90
1st number: 2 6/7, 2nd number: 25/90
20/7 + 25/90 is 395/126.
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,
20/7 = 20 × 90/7 × 90 = 1800/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
25/90 = 25 × 7/90 × 7 = 175/630 - Add the two like fractions:
1800/630 + 175/630 = 1800 + 175/630 = 1975/630 - 1975/630 simplified gives 395/126
- So, 20/7 + 25/90 = 395/126
In mixed form: 317/126
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