Add 10/7 and 42/80, Solve 1 3/7 + 42/80 as a fraction

Add 10/7 and 42/80

1^st number: 1 3/7, 2^nd number: 42/80

10/7 + 42/80 is 547/280.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 7 × 80 = 560,
10/7 = 10 × 80/7 × 80 = 800/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560
Add the two like fractions:
800/560 + 294/560 = 800 + 294/560 = 1094/560
1094/560 simplified gives 547/280
So, 10/7 + 42/80 = 547/280
In mixed form: 1267/280

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