Add 48/21 and 21/40, Solve 2 6/21 + 21/40 as a fraction

Add 48/21 and 21/40

1^st number: 2 6/21, 2^nd number: 21/40

48/21 + 21/40 is 787/280.

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,
48/21 = 48 × 40/21 × 40 = 1920/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
21/40 = 21 × 21/40 × 21 = 441/840
Add the two like fractions:
1920/840 + 441/840 = 1920 + 441/840 = 2361/840
2361/840 simplified gives 787/280
So, 48/21 + 21/40 = 787/280
In mixed form: 2227/280

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