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

Add 7/42 and 42/40

1^st number: 7/42, 2^nd number: 1 2/40

7/42 + 42/40 is 73/60.

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

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 42 × 20 = 840,
7/42 = 7 × 20/42 × 20 = 140/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
42/40 = 42 × 21/40 × 21 = 882/840
Add the two like fractions:
140/840 + 882/840 = 140 + 882/840 = 1022/840
1022/840 simplified gives 73/60
So, 7/42 + 42/40 = 73/60
In mixed form: 113/60

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