multiply 7/10 by 1 1/4. write in the simpliest form

To multiply 7/10 by 1 1/4, we need to convert the mixed number to an improper fraction.

1 1/4 = (4*1 + 1)/4 = 5/4

Now, we can multiply the fractions:

7/10 * 5/4 = (7*5)/(10*4) = 35/40

To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 5:

35/40 = (35/5)/(40/5) = 7/8

Therefore, 7/10 multiplied by 1 1/4 is equal to 7/8 in its simplest form.