Add 54/40 and 21/18
1st number: 1 14/40, 2nd number: 1 3/18
54/40 + 21/18 is 151/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
54/40 = 54 × 9/40 × 9 = 486/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
21/18 = 21 × 20/18 × 20 = 420/360 - Add the two like fractions:
486/360 + 420/360 = 486 + 420/360 = 906/360 - 906/360 simplified gives 151/60
- So, 54/40 + 21/18 = 151/60
In mixed form: 231/60
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