Add 40/70 and 63/54, Solve 40/70 + 1 9/54 as a fraction

Add 40/70 and 63/54

1^st number: 40/70, 2^nd number: 1 9/54

40/70 + 63/54 is 73/42.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 70 × 27 = 1890,
40/70 = 40 × 27/70 × 27 = 1080/1890
Likewise, for the 2nd fraction, since 54 × 35 = 1890,
63/54 = 63 × 35/54 × 35 = 2205/1890
Add the two like fractions:
1080/1890 + 2205/1890 = 1080 + 2205/1890 = 3285/1890
3285/1890 simplified gives 73/42
So, 40/70 + 63/54 = 73/42
In mixed form: 131/42

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