28
x15
140
280
420
Chat with our AI personalities
15 times.
420 ÷ 15 = 28
2/28 or 1/14
8/9 × 15/28 × 21/25 = (8×15×21)/(9×28×25) = 2520/6300 = (2×1260)/(5×1260) = 2/5
It is the same as 4/7 times 28 = 16