Add 20/28 and 90/25
1st number: 20/28, 2nd number: 3 15/25
20/28 + 90/25 is 151/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
20/28 = 20 × 25/28 × 25 = 500/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
90/25 = 90 × 28/25 × 28 = 2520/700 - Add the two like fractions:
500/700 + 2520/700 = 500 + 2520/700 = 3020/700 - 3020/700 simplified gives 151/35
- So, 20/28 + 90/25 = 151/35
In mixed form: 411/35
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