Add 7/54 and 42/40, Solve 7/54 + 1 2/40 as a fraction

Add 7/54 and 42/40

1^st number: 7/54, 2^nd number: 1 2/40

7/54 + 42/40 is 637/540.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 54 × 20 = 1080,
7/54 = 7 × 20/54 × 20 = 140/1080
Likewise, for the 2nd fraction, since 40 × 27 = 1080,
42/40 = 42 × 27/40 × 27 = 1134/1080
Add the two like fractions:
140/1080 + 1134/1080 = 140 + 1134/1080 = 1274/1080
1274/1080 simplified gives 637/540
So, 7/54 + 42/40 = 637/540
In mixed form: 197/540

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