Add 10/28 and 72/40, Solve 10/28 + 1 32/40 as a fraction

Add 10/28 and 72/40

1^st number: 10/28, 2^nd number: 1 32/40

10/28 + 72/40 is 151/70.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 28 × 10 = 280,
10/28 = 10 × 10/28 × 10 = 100/280
Likewise, for the 2nd fraction, since 40 × 7 = 280,
72/40 = 72 × 7/40 × 7 = 504/280
Add the two like fractions:
100/280 + 504/280 = 100 + 504/280 = 604/280
604/280 simplified gives 151/70
So, 10/28 + 72/40 = 151/70
In mixed form: 211/70

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