Add 90/15 and 28/40
1st number: 6 0/15, 2nd number: 28/40
90/15 + 28/40 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
90/15 = 90 × 8/15 × 8 = 720/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
28/40 = 28 × 3/40 × 3 = 84/120 - Add the two like fractions:
720/120 + 84/120 = 720 + 84/120 = 804/120 - 804/120 simplified gives 67/10
- So, 90/15 + 28/40 = 67/10
In mixed form: 67/10
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