Add 56/35 and 54/80, Solve 1 21/35 + 54/80 as a fraction

Add 56/35 and 54/80

1^st number: 1 21/35, 2^nd number: 54/80

56/35 + 54/80 is 91/40.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 35 × 16 = 560,
56/35 = 56 × 16/35 × 16 = 896/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
54/80 = 54 × 7/80 × 7 = 378/560
Add the two like fractions:
896/560 + 378/560 = 896 + 378/560 = 1274/560
1274/560 simplified gives 91/40
So, 56/35 + 54/80 = 91/40
In mixed form: 211/40

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