Add 45/40 and 10/42, Solve 1 5/40 + 10/42 as a fraction

Add 45/40 and 10/42

1^st number: 1 5/40, 2^nd number: 10/42

45/40 + 10/42 is 229/168.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
45/40 = 45 × 21/40 × 21 = 945/840
Likewise, for the 2nd fraction, since 42 × 20 = 840,
10/42 = 10 × 20/42 × 20 = 200/840
Add the two like fractions:
945/840 + 200/840 = 945 + 200/840 = 1145/840
1145/840 simplified gives 229/168
So, 45/40 + 10/42 = 229/168
In mixed form: 161/168

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