Answer:
69/8
Step-by-step explanation:
21 [tex]\frac{3}{8} + (-51 \frac{1}{4})[/tex]
Turn them into improper fractions
171/8 - 52/4
Find a common denominator for them (8)
171/8 - 102/8
(4 (4 + 21)(3-51) = (3-51)(4+ 21)(4 + 21)(3-51) = (3-51)(4+ 21)(4 + 21)(3-51) = (3-51)(4+ 21)+ 21)(3-51) = (3-51)(4+ 21)(4 + 21)(3-51) = (3-51)(4+ 21)(4 + 21)(3-51) = (3-51)(4+ 21)(4 + 21)(3-51) = (3-51)(4+ 21)
