Add 54/9 and 42/40
1st number: 6 0/9, 2nd number: 1 2/40
54/9 + 42/40 is 141/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
54/9 = 54 × 40/9 × 40 = 2160/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
2160/360 + 378/360 = 2160 + 378/360 = 2538/360 - 2538/360 simplified gives 141/20
- So, 54/9 + 42/40 = 141/20
In mixed form: 71/20
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