Add 90/30 and 75/40
1st number: 3 0/30, 2nd number: 1 35/40
90/30 + 75/40 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
90/30 = 90 × 4/30 × 4 = 360/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
75/40 = 75 × 3/40 × 3 = 225/120 - Add the two like fractions:
360/120 + 225/120 = 360 + 225/120 = 585/120 - 585/120 simplified gives 39/8
- So, 90/30 + 75/40 = 39/8
In mixed form: 47/8
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