Add 14/21 and 42/40, Solve 14/21 + 1 2/40 as a fraction

Add 14/21 and 42/40

1^st number: 14/21, 2^nd number: 1 2/40

14/21 + 42/40 is 103/60.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 21 × 40 = 840,
14/21 = 14 × 40/21 × 40 = 560/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
42/40 = 42 × 21/40 × 21 = 882/840
Add the two like fractions:
560/840 + 882/840 = 560 + 882/840 = 1442/840
1442/840 simplified gives 103/60
So, 14/21 + 42/40 = 103/60
In mixed form: 143/60

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