Add 20/5 and 90/40
1st number: 4 0/5, 2nd number: 2 10/40
20/5 + 90/40 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Add the two like fractions:
160/40 + 90/40 = 160 + 90/40 = 250/40 - 250/40 simplified gives 25/4
- So, 20/5 + 90/40 = 25/4
In mixed form: 61/4
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