Add 90/75 and 72/10
1st number: 1 15/75, 2nd number: 7 2/10
90/75 + 72/10 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
90/75 = 90 × 2/75 × 2 = 180/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
72/10 = 72 × 15/10 × 15 = 1080/150 - Add the two like fractions:
180/150 + 1080/150 = 180 + 1080/150 = 1260/150 - 1260/150 simplified gives 42/5
- So, 90/75 + 72/10 = 42/5
In mixed form: 82/5
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