Add 7/42 and 49/40, Solve 7/42 + 1 9/40 as a fraction

Add 7/42 and 49/40

1^st number: 7/42, 2^nd number: 1 9/40

7/42 + 49/40 is 167/120.

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,
49/40 = 49 × 21/40 × 21 = 1029/840
Add the two like fractions:
140/840 + 1029/840 = 140 + 1029/840 = 1169/840
1169/840 simplified gives 167/120
So, 7/42 + 49/40 = 167/120
In mixed form: 147/120

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