Add 90/75 and 28/40
1st number: 1 15/75, 2nd number: 28/40
90/75 + 28/40 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
90/75 = 90 × 8/75 × 8 = 720/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
28/40 = 28 × 15/40 × 15 = 420/600 - Add the two like fractions:
720/600 + 420/600 = 720 + 420/600 = 1140/600 - 1140/600 simplified gives 19/10
- So, 90/75 + 28/40 = 19/10
In mixed form: 19/10
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