Answer:
2 15/28
Step-by-step explanation:
First: Convert any mixed numbers to fractions.
21/4−19/7
Applying the fractions formula for subtraction,
=(21×7)−(19×4)4×7 =147−7628 =71/28
Simplifying 71/28, the answer is:
2 15/28
I hope this helps! Please give me brainliest!