Add 50/40 and 7/21, Solve 1 10/40 + 7/21 as a fraction

Add 50/40 and 7/21

1^st number: 1 10/40, 2^nd number: 7/21

50/40 + 7/21 is 19/12.

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

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
50/40 = 50 × 21/40 × 21 = 1050/840
Likewise, for the 2nd fraction, since 21 × 40 = 840,
7/21 = 7 × 40/21 × 40 = 280/840
Add the two like fractions:
1050/840 + 280/840 = 1050 + 280/840 = 1330/840
1330/840 simplified gives 19/12
So, 50/40 + 7/21 = 19/12
In mixed form: 17/12

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