Add 90/25 and 28/7
1st number: 3 15/25, 2nd number: 4 0/7
90/25 + 28/7 is 38/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
90/25 = 90 × 7/25 × 7 = 630/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
28/7 = 28 × 25/7 × 25 = 700/175 - Add the two like fractions:
630/175 + 700/175 = 630 + 700/175 = 1330/175 - 1330/175 simplified gives 38/5
- So, 90/25 + 28/7 = 38/5
In mixed form: 73/5
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