Add 7/42 and 75/40, Solve 7/42 + 1 35/40 as a fraction

Add 7/42 and 75/40

1^st number: 7/42, 2^nd number: 1 35/40

7/42 + 75/40 is 49/24.

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,
75/40 = 75 × 21/40 × 21 = 1575/840
Add the two like fractions:
140/840 + 1575/840 = 140 + 1575/840 = 1715/840
1715/840 simplified gives 49/24
So, 7/42 + 75/40 = 49/24
In mixed form: 21/24

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