Add 28/7 and 25/90
1st number: 4 0/7, 2nd number: 25/90
28/7 + 25/90 is 77/18.
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,
28/7 = 28 × 90/7 × 90 = 2520/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
25/90 = 25 × 7/90 × 7 = 175/630 - Add the two like fractions:
2520/630 + 175/630 = 2520 + 175/630 = 2695/630 - 2695/630 simplified gives 77/18
- So, 28/7 + 25/90 = 77/18
In mixed form: 45/18
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