Add 21/18 and 14/40
1st number: 1 3/18, 2nd number: 14/40
21/18 + 14/40 is 91/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
21/18 = 21 × 20/18 × 20 = 420/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
14/40 = 14 × 9/40 × 9 = 126/360 - Add the two like fractions:
420/360 + 126/360 = 420 + 126/360 = 546/360 - 546/360 simplified gives 91/60
- So, 21/18 + 14/40 = 91/60
In mixed form: 131/60
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