Add 90/25 and 70/7
1st number: 3 15/25, 2nd number: 10 0/7
90/25 + 70/7 is 68/5.
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,
70/7 = 70 × 25/7 × 25 = 1750/175 - Add the two like fractions:
630/175 + 1750/175 = 630 + 1750/175 = 2380/175 - 2380/175 simplified gives 68/5
- So, 90/25 + 70/7 = 68/5
In mixed form: 133/5
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