Add 20/14 and 90/40
1st number: 1 6/14, 2nd number: 2 10/40
20/14 + 90/40 is 103/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
20/14 = 20 × 20/14 × 20 = 400/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Add the two like fractions:
400/280 + 630/280 = 400 + 630/280 = 1030/280 - 1030/280 simplified gives 103/28
- So, 20/14 + 90/40 = 103/28
In mixed form: 319/28
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