Add 7/5 and 72/90
1st number: 1 2/5, 2nd number: 72/90
7/5 + 72/90 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
7/5 = 7 × 18/5 × 18 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Add the two like fractions:
126/90 + 72/90 = 126 + 72/90 = 198/90 - 198/90 simplified gives 11/5
- So, 7/5 + 72/90 = 11/5
In mixed form: 21/5
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