Add 48/40 and 21/27, Solve 1 8/40 + 21/27 as a fraction

Add 48/40 and 21/27

1^st number: 1 8/40, 2^nd number: 21/27

48/40 + 21/27 is 89/45.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 40 × 27 = 1080,
48/40 = 48 × 27/40 × 27 = 1296/1080
Likewise, for the 2nd fraction, since 27 × 40 = 1080,
21/27 = 21 × 40/27 × 40 = 840/1080
Add the two like fractions:
1296/1080 + 840/1080 = 1296 + 840/1080 = 2136/1080
2136/1080 simplified gives 89/45
So, 48/40 + 21/27 = 89/45
In mixed form: 144/45

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