Add fractions

Same-denominator fractions · Numbers & Operations

Add and subtract fractions with the same denominator; convert mixed and improper fractions.

Same denominator: keep it and add the numerators.

This is step 1 of unit 4, “Same-denominator fractions”, in Stage 5: Big numbers, fraction and decimal sums, angles (ages 11). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.