Question

simplify: 2/15 + 7/20 +3/25​

Answer 1

Answer:

Add 2/15 and 7/10

215 + 710 is 56.

Steps for adding fractions

Find the least common denominator or LCM of the two denominators:

LCM of 15 and 10 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30

For the 1st fraction, since 15 × 2 = 30,

215 = 2 × 215 × 2 = 430

Likewise, for the 2nd fraction, since 10 × 3 = 30,

710 = 7 × 310 × 3 = 2130

Add the two like fractions:

430 + 2130 = 4 + 2130 = 2530

25/30 simplified gives 56

So, 2/15 + 7/10 = 5/6

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