Add 40/28 and 9/45, Solve 1 12/28 + 9/45 as a fraction

Add 40/28 and 9/45

1^st number: 1 12/28, 2^nd number: 9/45

40/28 + 9/45 is 57/35.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 28 × 45 = 1260,
40/28 = 40 × 45/28 × 45 = 1800/1260
Likewise, for the 2nd fraction, since 45 × 28 = 1260,
9/45 = 9 × 28/45 × 28 = 252/1260
Add the two like fractions:
1800/1260 + 252/1260 = 1800 + 252/1260 = 2052/1260
2052/1260 simplified gives 57/35
So, 40/28 + 9/45 = 57/35
In mixed form: 122/35

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