Add 40/30 and 9/28, Solve 1 10/30 + 9/28 as a fraction

Add 40/30 and 9/28

1^st number: 1 10/30, 2^nd number: 9/28

40/30 + 9/28 is 139/84.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 30 × 14 = 420,
40/30 = 40 × 14/30 × 14 = 560/420
Likewise, for the 2nd fraction, since 28 × 15 = 420,
9/28 = 9 × 15/28 × 15 = 135/420
Add the two like fractions:
560/420 + 135/420 = 560 + 135/420 = 695/420
695/420 simplified gives 139/84
So, 40/30 + 9/28 = 139/84
In mixed form: 155/84

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