Add 90/5 and 12/7
1st number: 18 0/5, 2nd number: 1 5/7
90/5 + 12/7 is 138/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
90/5 = 90 × 7/5 × 7 = 630/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
12/7 = 12 × 5/7 × 5 = 60/35 - Add the two like fractions:
630/35 + 60/35 = 630 + 60/35 = 690/35 - 690/35 simplified gives 138/7
- So, 90/5 + 12/7 = 138/7
In mixed form: 195/7
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